Acer acuminatum
ch: 7
geo: Himalyan Mts.
ls: 3 lobes with long acuminate and nearly thread-like apices
so: Forest Farm, 990 Tetherow, Williams, OR 97544-9599 ($3 catalog)

Acer amplum = Acer longipes subsp. amplum

Acer argutum
so: Forest Farm, 990 Tetherow, Williams, OR 97544-9599 ($3 catalog)

Acer buergeranum
so: Forest Farm, 990 Tetherow, Williams, OR 97544-9599 ($3 catalog)

Acer buergeranum 'Eastwood Cloud'
lc: nearly white becoming salmon pink - sunburn is likely
or: R. Gordon of Australia 1990's(?)
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer buergeranum 'Shirley Debacq'
ha: fastigiate, small tree.
or: found by A. Pousse of France in 1995.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer campestre var. austriacum (Tratt.) DC
lt: thicker, more leathery blades than var. campestre
ls: lobes more sharply acute, less deep
geo: southeastern Europe

Acer campestre 'Carnival'
ht: 8-10 ft. - slower, more shrubby at first.
lc: broadly margined white, sometimes scorching
so: Forest Farm

'Compactum' - click image
Greensboro Arboretum. April 2003.

Acer campestre 'Compactum'
ht: 4-8 ft.
ha: globose, very dense, shrubby
ll: smaller than species typical
afc: often a pleasant yellow but not in all regions.
or: Europe before 1893 but unknown beyond that.
eval: interest dwarf shrub for any landscape where cold hardy.
li: Gartenflora 42: 329.

Acer campestre 'Eastleigh Weeping'
ha: weeping
or: Eastleigh Nur. of Hillier & Sons UK

Acer campestre 'Elsrijk'
ha: straighter trunk
lw: 6cm
ls: 3-5 lobes
lm: coarsely serrate unlike 'Zorgvlied'
or: named for the park at Amstelveen where it was found
li: Broerse. 1953. De Boomk. 8: 46
li: Boom, B.K. 1959. Ned. Dendr. 327

Acer campestra 'Evelyn' = see QUEEN ELIZABETH™

Acer campestre 'Fastigiatum'
ha: upright, columnar
st: often corky
or: found in wild c. 1930

Acer campestre 'Green Weeping'
ha: small tree to large shrub with semi-weeping limbs. The photo in Maples for gardens makes it
ha: appear a good deal more like a pinoak than a truly pendulous tree.
or: A. van Nijnatten of Holland as change seedling in 198. It is not the older 'Pendulum'.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer campestre var. leiocarpum (Opiz) Tausch
fr: fruit distinctly glabrous - not downy as in var. campestre

Acer campestre 'Leprechaun'
ht: 20 ft. tall x 15 ft. wide
ha: dense, ovoid to globose, more uniform than most seedlings according to Dirr
li: Dirr, M.A. 1998. Man. Woody Land. Plts. Stipes. p. 16

Acer campestre 'Nanum'
ha: dense, globose, shrubby.
ll: smaller than species typical.
id: it is similar to 'Compactum' and by some considered identical. May have different origins.
li: Loddiges Nur. ex Loudon in Enc. Trees. 93 (1842)
so: Forest Farm

Acer campestre 'Postelense'
lc: golden yellow, especially in spring
or: found near Postel, Silesia before 1896 when it was first sold.
so: Forest Farm

Acer campestre 'Pulverulentum'
lc: mottled and flecked white, often finely so. Bean says that coarsely blotches variants also
lc: appear under this name. Reversions are common.
or: known from Muskau Arboretum c. 1864 but its origin is unrecorded.
so: Forest Farm

Acer campestre QUEEN ELIZABETH™ 'Evelyn'
ht: 35' ft. tall x 30 ft. wide
ha: globose to ovoid, denser, straighter leader, more vigorous
ac: reliably yellow as some species variants
frq: fruit can be numerous according to Dirr and in some areas that will make weed trees.
so: Lake County (wholesale)
pat: US #4392

Acer campestre 'Red Shine'
ns: a listed name of unknown description or origin

'Royal Ruby' - click image
Raulston Arboretum. May 24, 2003.

Acer campestre 'Royal Ruby'
ht: 12-15 ft.
lc: new growth purplish-red, somewhat glossy.
pet: tinged pink, more showy than some selections where the petioles are green to yellowish. It clearly has more anthocyanins.
lu: recommended as a durable hedge to give a nice dark ruby red spring color. You get much
lu: more satisfactory color in a hedge situation where new growth is encouraged. It is not an effective
lu: color a largely unpruned landscape tree. It needs vigorous new growth, lots of it, and numerous active growth tips.
so: Forest Farm

Acer campestre 'Silver Celebration' (6/02)
lc: thin white margin, scorching much less than 'Carnival'
or, so: Junker (online catalog 2002) as sport of 'Carnival'

Acer campestre 'Schwerinii'
lc: new growth purple becoming typical green later.
in: Hesse Nurseries, Germany before 1899.

Acer campestre 'Zorgvlied'
ha: narrow crown
ll: 6cm mean
ls: 3-5 lobes
lm: lobes entire
lv: pilose below
li: Broerse. 1953. De Boomk. 8: 46
li: Boom, B.K. 1959. Ned. Dendr. 327

Acer capillipes
ch: 5
bk: young trunks red with white to greenish stripes
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer capillipes 'Gimborn'
ha: single trunked tree
ht: 10m
bark: highly striped
lw: 10-12cm - larger than species typical
ls: 5-lobed
afc: yellow
or: Von Gimborn Arb. of Netherlands 1996 as chance seedling. It may be a hybrid to any of
or: many other species at the Arboretum.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer cappadocicum
ch: 6
ht: 60 ft.
ls: 5-7 lobes
ac: yellow
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer circinatum 'Allyn Cook'
afc: bronze.
so: Wildwood Farm

Acer circinatum 'Glen-Del'
ha: semi-dwarf and narrowly upright
ls: 5-lobed and deeply incised with large terminal lobe
pet: reddish
li: Vertrees, J.D. 1979. Notes on variants of Acer circinatum Pursh.
li: Int. Dendrological Soc. Year. 1978: 82-84.

Acer circinatum 'Little Gem'
so: Greer Gardens 1-800-548-0111

Acer circinatum 'Monroe'
so: Forest Farm, 990 Tetherow, Williams, OR 97544-9599 ($3 catalog)
so: Greer Gardens 1-800-548-0111

Acer circinatum 'Pacific Fire'
ht: 10 ft.
gr: vigorous
lc: light green to chartreuse - sometimes red tinged
afc: yellow
bk: red all year
or: Wayne Belcher.
ns: named by Gary Handy.
so: Stanley and Sons

Acer circinatum 'Sunglow'
ha: dwarf.
lc: orange.
so: Wildwood Farm

Acer circinatum 'Victoria'
ha: shrubby - rather typical
frc: samaras bright showy dark red
or: Von Gimborn Arb. by P.C. deJong as chance seedling
in: Firma Esveld 1994
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer cissifolium
ha: densely globose to round umbrella-shape
ht: 30 ft. in wild
tw: pubescent
ac: usually red shades
ls: 3 leaflets of obovate to ovate shape
lm: terminal leaflet coarsely dentate
lv: glabrous except for axillary vein tufts below
ll: leaflets 2.0-3.5 in.
fd: 0.2-0.3 in
bt: May
it: raceme
il: raceme 2-4 in. long
geo: Japan
in: before 1870
id: A. cissifolium A. nikoense A. negundo
id: height 20-30 ft. 30-50 ft. 40-80 ft.
id: habit dense globose upright upright
id: leaflet # mostly 3 mostly 3 5 (some 3)
id: leaf hairs glabrous with hairy below most glabrous
id: axillary tufts and on petiole to glaucous
id: inflor. 2-4 in. raceme corymb 4-8 in. raceme
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101
so: Greer Gardens 1-800-548-0111

Acer x conspicuum (Acer davidii x A. pennsylvanicum)

Acer x conspicuum 'Elephant's Ear'
ha: sparsely branched shrub
ht: 10m
bark: striped as are both parents
ll: to 30cm on juvenile shoots, shorter on adult ones - extremely large as the cv. name suggests.
ls: unlobed or 3-lobed
or: R. Bulk Nurseries of Holland 1990
prop: difficult due to 'untidy scions' per the vanGelderens.
ch: 6
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer x conspicuum 'Phoenix'
ha: sparsely branched shrub
ht: 5-6m - smaller than 'Elephant's Ear'
bark: bright crimson-red striped white becoming yellowish in summer
ll: 12-18cm
lw: 10-16cm
ls: shallowly 3-lobed
afc: often yellow
or: Firma Esveld as chance seedling among 'Silver Vein' in 1986
lu: it is one of the brightest of the red-branched maples of any species.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer x conpicuum 'Silver Vein'
bk: brightly marked silvery white

Acer crataegifolium
ls: much like Crataegus species
ch: 6
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer crataegifolium 'Veitchii'
lc: mottled and streaked pink becoming marked white
so: Greer Gardens 1-800-548-0111

Acer davidii
ha: globose
ht: 30-50 ft. in wild - trees in UK gardens have reached nearly 50 ft.
bk: green striped white to purplish-green striped white
lc: glossy medium green
ls: ovate and mostly unlobed and if lobed only at the very base
lb: cordate
lm: unevenly spaced serrate
ll: 3-7 in.
lw: 1.5-4.0 in.
lv: reddish tomentose when young becoming glabrous and hairy below on veins
fc: yellow green
it: pendulous raceme
il: 1.5-2.5 in. - longest in male racemes
frw: samaras 1.25 in. long with wings .5 in. wide
geo: China
in: to Europe in 1879 by Veitch - by Wilson in 1902 to a wider distribution
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer davidii 'Canton'
ha: sparsely branched, multi-stemmed tree
gr: more vigorous as young trees
ht: 10m or more
bark: white striped
ll: 7-15cm
lw: 3-6cm
ls: oval to oblong, unlobed or coarsely lobed on juvenile shoots.
lc: dark green
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer davidii 'Ernest Wilson'
ha: globose and compact
gr: internodes about 3 in. - NOT 5 in. as 'George Forrest'
ll: 5 in. - or shorter than many clones like 'George Forrest'
lw: 2.5 in.
geo: this reflects populations collected by Maries and Wilson
li: Keenan, J. 1957. On the application of the term cultivar to plants
li: of wild origin - with particular reference to Acer davidii.
li: Baileya 5(3): 101-105.

Acer davidii 'George Forrest' (Acer forrestii hort. in part)
ha: open and vigorous crown
gr: internodes 5 in. - longer than 'Ernest Wilson'
ll: 6-7 in. long - longer than 'Ernest Wilson'
lw: 5 in.
geo: this reflects the population collected by Forrest
li: Keenan, J. 1957. On the application of the term cultivar to plants
li: of wild origin - with particular reference to Acer davidii.
li: Baileya 5(3): 101-105.

Acer davidii 'Hagelunie'
ha: sparsely branched, shrub-like tree
ht: 10m
bark: purple to dark green with many white stripes
lm: coarsely serrate when young
or: Firma Esveld 1992 and named for a horticultural insurer.
in: Firma Esveld as a corporate gift in Holland after 1992
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer davidii 'Horizontale'
ha: presumably horizontal (?)
ns: listed from European collections

Acer davidii 'Hughes Variegate'
lc: 'creamy white segments on bright green leaves' but can revert to
lc: all green
st: 'strong yellow' all year
or: Hughes Nursery of Olympia WA c. 1996
li: Hughes Nursery catalog Spring 1996: 1

Acer davidii 'Karmen'
ha: openly branched shrub to tree
ht: 10-12m
bark: highly striped white
ll: 8-20cm
lw: 4-6cm
ls: narrowly oblong, unlobed or only shallowly so as young leaves.
lc: chocolate brown becoming reddish-green in summer.
afc: yellow to orange shades.
it: inflor. to 15cm long
fc: inflor. light yellow
or: discovered in garden of P.C. deJong c. 1975
in: Firma Esveld 1985 and named for Karmen Rosalie van Gelderen.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer davidii 'Kew'
ns: listed name only

Acer davidii 'Madeline Spitta'
ha: dense, shrub-like tree
ht: to 10m to date
bark: green striped white
lc: glossy green
ls: shallowly lobed
it: corymbs very long, pendulous
fc: inflor. light yellow to green
frd: samaras to 3cm long
or: Wilfred Fox of Winkworth Arboretum UK in 1950 and named for a planner of that collection.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer davidii 'Serpentine'
bk: more boldly marked green and white
lc: darker green than typical

Acer davidii x Acer pennsylvanicum = see A. 'Doctor Bump'

Acer diabolicum
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer 'Doctor Bump'('Dr. Bump')(Acer davidii x Acer pennsylvanicum)
ha: dense wide globe
tsp: striped white - superior to either parent
or: cross of superior individuals of A davidii and A. pennsylvanicum.
lw: 'large'
ch: 4
so: Greer Gardens 1-800-548-0111

Acer forrestii = Acer. pectinatum subsp. forrestii

Acer x freemannii (Acer rubrum x Acer saccharinum)
li: Bachtell, K.R. 1989. Freeman maple, a hybrid of red and silver maples
li: shows promise for tough urban sites. Amer. Nur. 188(80): 40-43, 46,
li: 48, 50-55.

Acer x freemannii 'Autumn Fantasy'
gr: rapid
or: selection of clone 'DTR 102' by Discov-Tree and released in 1990
ac: dark red
ha: 'full crowned'
no: said to be withstand difficult growing conditions

Acer ginnala 'Bailey's Compact' ('Compactum' in part)
ha: compact, dense, originally said to be smaller than 'Durand Dwarf' but sometimes as large.
ht: 10-12' after many years. Most young plants are 5-8 ft.
afc: red.
or: Bailey Nur. of St. Paul MN

Acer ginnala 'Berg Flame' ('Bergiana Flame')
ns: catalog name of 'Bergiana Flame' is surely invalid.
afc: dark red superior to 'Flame' - reportedly the darkest red shades
afc: of clones known as of 1996.
so: Greer Gardens 1-800-548-0111

Acer ginnala 'Compactum' most='Bailey Compact'

Acer ginnala 'Curiel's Gold' (4/02)
wholesale source: Femrite Nursery (online catalog 2002 without description)

Acer ginnala 'Durand Dwarf'
ha: spreading and semi-dwarf - more shrub-like
ht: 3-5 ft., larger with some age
lu: more useful as a hedge than the species but seldom seen as such
or: bud mutation found at Durand-Eastman Park Rochester NY
li: Harkness, B. 1955. Phytologia 6: 237.

Acer ginnala 'Embers'
frc: schizocarps very red and showy
ac: red as typical of many clones
ha: large shrub to small tree form depending on training
ht: 20'
wd: 20'
or: Bailey Nurseries 1990

Acer ginnala 'Emerald Elf'
ha: oval
ht: 5-6 ft. or about 1/2 ht. of 'Bailey's Compact'
lc: dark glossy green
afc: bright scarlet red
rai: functions more as a shrub for fall color than a tree like other
rai: species cultivars.

Acer ginnala 'Flame'
lc: dark glossy green
ac: reliably bright red - many clones are orange to yellow
so: Carroll Gardens 1-800-638-6334

Acer ginnala Red Fruit Group ('Red Fruit')
frc: distinctly red at maturity.
frq: high schizocarp production in selected clones
ns: this is a collective term for seedlings with heavy production of showy red fruit
ns: which occur many times and many places. 'Summer Splendor' is one named clone though
ns: not as fruitful as some plants under this name. Dirr accurately points out that excessive
ns: fruit load can weaken and stunt plants.

Acer ginnala RED RHAPSODY™ 'Mandy'
ht: 15-20 ft. tall as multi-stemmed unit, 30 ft. are single trunk tree
lc: glossy darker green
afc: bright red
in: Monrovia Nursery CA USA
li: Dirr, M.A. 1998. Man. Woody Land. Plts. Stipes. p. 19.

Acer ginnala var. semenovii (A. tataricum subsp. semenovii)
ht: 8-14 ft. tall - var. ginnala easily reaches 15-30 ft.
ha: smaller tree
ls: more deeply incised than var. ginnala, tending to be 5-lobed at times (var. ginnala is
ls: vaguely unlobed or 3-lobed)
ll: smaller blade than var. ginnala
fruit: wings of schizocarpa are more divergent than var. ginnala.
geo: Turkestan and in the western range of the species.

Acer ginnala RED FRUIT GROUP 'Summer Splendor'
frc: bright red, showy

Acer glabrum var. torreyi (Greene) Smiley
cn: Sierra maple or mountain maple
ls: more consistantly 3-lobed and only rarely 5-lobed
geo: Sierra Mts. of CA

Acer grosseri var. grosseri
ch: 6
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer grosseri var. hersii
so: Greer Gardens 1-800-548-0111

Acer heldreichii
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer x hillieri 'Summergold'
li: Lancaster, B. 1979. Acer 'Summergold'. The Garden (RHS) 104(10): 424.

Acer hyrcanum
ha: globose
ht: 20 ft.
fc: chartreuse and often showy
cn: Balkan maple

Acer japonicum 'Attaryi'
ht: 15 ft.
ls: incised
bk: smooth and gray.
afc: scarlet to orange-yellow.
or: Vertrees
so: Stanley and Sons

Acer kawakamii
ch 7-8
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer laxiflorum
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer lobelii
ch: 8
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer longipes subsp. amplum 'Gold Coin'
ha: shrubby, irregularly branched
ht: 4m in 20 years
lw: 5-12cm
ls: 5-lobed
lc: golden yellow in spring becoming duller yellow in summer
pet: very milky sap
lu: not wind tolerant
prop: proving difficult to date
or: found among seedlings collected in Zuiderpark, The Hague, Netherlands by Firma Esveld in 1985
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer macrophyllum 'Seattle Sentinel'
ha: columnar
or: Seattle WA
li: Mulligan, B.O. 1954. Bull. Wash. Arb. 17(4): 112.

Acer mandshuricum
so: Toole's Bend Nur. 423-531-7773 (phone or FAX)

Acer micranthum
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer miyabei
so: Toole's Bend Nur. 423-531-7773 (phone or FAX)

Acer miyabei 'State Street' ('Morton')
ha: 'ascending branching'
ht: 40 ft. when 25 ft. wide
ch: 'excellent' cold tolerance at Morton Arb. compared other trees.
dr: 'pest free foliage' at Morton Arb. over many years.
rai: more drought tolerant than A. platanoides and more cold hardy
rai: than A. campestre for hedge use.
or: from existing Morton Arb. tree
in: Chicagoland Grows marketing system.
li: Int. Plt. Prop. Soc. Proc. 44: 571 (1994)

Acer monspessulanum
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101
so: Toole's Bend Nur. 423-531-7773 (phone or FAX)

Acer negundo 'Auratum'
ha: slower than species typical
lc: all yellow for the entire summer. Best effect is trimmed every year or two to increase
lc: the number of colorful young shoots.
tw: greenish with whitish glaucescence coating - unlike 'Odessanum' (downy)
or: Spath Nur. 1891 as sport of 'Aureo-limbatum'
aw: RHS AM 1901

Acer negundo 'Aureomaculatum'
lc: mottled or spotted yellow

Acer negundo 'Aureo-marginatum' ('Aureo-variegatum')
lc: yellow margined
sex: male - unlike 'Variegatum' with its mottled schizocarps
or: Dieck Nur. before 1885

Acer negundo 'Aureomarginatum Elegans' = 'Elegans'

Acer negundo 'Baron'
ht: 35-50 ft. tall x 30-35 ft. wide
ha: oval, more upright overall
sex: male and hence seedless
ch: 2
lu: useful in zone 2 where few other trees are hardy
or: Morden Res. Station Canada

Acer negundo var. californicum (Torr. & Gray) Sargent
lv: densely grey tomentose below
tw: often downy pubescent
ns: intermediate populations occur with semi-pubescent parts

Acer negundo 'Crispum'
ha: more shrubby
ls: curled, sometimes deformed
sex: male
or: known in Europe since 1825
eval: if there is anything we do not need in modern gardens is a curled, uglier version of a weed

Acer negundo 'Crispum Variegatum'
ls: as 'Crispum'
lc: yellow margined

Acer negundo 'Elegans' ('Aureomarginatum Elegans', 'Elegantissimum')
ha: somewhat less vigorous than 'Aureomarginatum'
st: distinctly blue glaucous
lc: broadly and irregularly margined yellow on glossy green - not white as in 'Variegatum'
or: France - different origin than 'Aureomarginatum'
aw: RHS FCC 1898

Acer negundo 'Flamingo'
lc: new growth bright hot pink becoming green to pinkish green and margined white. It
lc: fairly similar to 'Variegatum' by summer in most gardens. It reverts too so beware.
sex: male - unlike 'Variegatum'
lu: can be kept as neat shrub for bright spring foliage effect
ir: in North Carolina shade tree trials it has some leafhopper damage
so: Forest Farm

Acer negundo 'Heterophyllum'
ls: leaflets linear to lanceolate, much narrower, or highly incised. Variable among these shapes.
or: Spath Nurseries 1883

Acer negundo 'Kelly's Gold'
lc: bright golden yellow becoming chartreuse later.
id: given that the true 'Auratum' is gold all summer too we wonder how distinct this
id: would prove in side-by-side trials.

Acer negundo 'Odessanum'
st: down pubescent - unlike the glaucous and more glabrous 'Auratum'
lc: bright golden yellow, sometimes tinged orange
in: Rothe's Nursery, Odessa, Russia 1890

Acer negundo 'Sensation'
ht: 30 ft. tall x 25 ft. wide
ha: 'improved' branching and globose, not a wild and vigorous, compact
gr: slower
lc: medium green
afc: bright red
or: Schmidt Nur. in 1989
so: Forest Farm

Acer negundo 'Variegatum' ('Argenteovariegatum')
ha: smaller than species typical but by no means lacking vigor.
lc: irregularly and often broadly margined white, some leaflets half or entirely white. It
lc: reverts easily and in a vigorous tree that is no a good trend. Be rigorous in pruning out
lc: green shoots.
frc: samaras also have a white chimera
lu: a bright, vigorous, and durable tree for cold climates and stressful soils where no
lu: finer tree will grow. This is one of the toughest variegated trees around so it has a role.
lu: But given that 'Flamingo' gives wqhite margins PLUS glowing pink new growth that
lu: cultivar might be used instead.
or: Fromant Nursery, Toulouse, France in 1845 as sport
aw: RHS AM 1973

Acer negundo var. violaceum (Kirchn.) Jag.
st: young twigs purplish or violet, more densely covered in white glaucous bloom
fc: male tree often pink-flowered, somewhat showy - Hillier won the RHS AM in 1975 for
fc: the flowers alone.
geo: Midwest US states
so: Forest Farm

Acer negundo 'Well's Golden'
lc: golden yellow
or: New Zealand
in: Don Shadow c. 1994
ns: Dirr wonders if this may be the same as 'Kelly's Gold' which itself cannot yet be
ns: separated from 'Auratum'!

Acer negundo 'White Lightning'
st: bright bluish-white, showy in winter, having the effect of white lightning bolts
afc: yellow
li: Arborvillage Fall 2001/Spring 2002 Catalog
so: Forest Farm

Acer nigrum Michx. (Acer saccharum subsp. nigrum)
bk: darker and deeper cleft than A. saccharum
tw: often orange-brown - best ID clue according to Dr. Sargent
id: twigs more orange than A. saccharum and lobes more shallow
geo: Northeast and Central US
lc: darker and less glossy green
ls: lobes with more rounded teeth and shallower lobing
li: Krause, C.R. 1982. Differentiating black and sugar maple cultivars
li: with SEM. J. Amer. Hort. Soc. 107(2): 186-188.

Acer nigrum 'Green Column'
ha: narrowly columnar
ht: 50';
wd: 20'
no: more heat tolerant than most A. saccharum
pat: US #3722
or: selected by Bill Heard from plants in Central Iowa
ch: 4

Acer 'Norwegian Sunset' ('Keithsform')(Acer truncatum x Acer platanoides)
ha: upright oval with uniform limbs
ht: 35 ft.
wd: 25 ft.
ch: to -25 F.
lc: dark glossy green
ac: orange to red shades
rai: more heat tolerant than A. platanoides
or: Schmidt Nur. release in 1989
li: Dirr, M.A. 1990. Man. Woody Land. Plts. Stipes Publ. 77.

Acer oblongum
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer oliveranum
ch: 8
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer orientale
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer 'Pacific Sunset' ('Warrenred')(Acer truncatum x Acer platanoides)
ha: upright and spreading to globose
ha: finer branching than its relative 'Norwegian Sunset'
lc: dark glossy green
ch: to -25 F.
ac: bright red - earlier and less orange than 'Norwegian Sunset'
or: Schmidt Nur. 1989
li: Dirr, M.A. 1990. Man. Woody Land. Plts. Stipes Publ. 77.
so: Toole's Bend Nur. 423-531-7773 (phone or FAX)
so: Roslyn Nursery (online catalog 2002)

Acer paxii
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer pectinatum subsp. forrestii 'Alice'
ha: well-branched shrub
ht: 5-6m
bark: striped pink
ls: 3-5 lobes, the outer lobes often being shallow
lm: incised
lc: green becoming variegated white, cream, and pink.
flt: clusters rarely developed.
flc: cream colored
frd: samaras 2cm long, seeds not viable
or: chance seedling by Firma Esveld 1981
aw: RHS A.M. 1987
lu: bright landscape plant but requires pruning to keep it actively growing and colorful.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pectinatum subsp. forrestii 'Sirene
ha: irregular shrub
ht: 7-8m
bark: dark red, well striped
ll: 10-15cm
lw: 6-10cm
ls: 3-lobed, terminal lobe often with elongated apex
lm: serrate
lc: purplish becoming very dark green - a distinct triat
flc: purplish yellow
or: chance seedling by Firma Esveld 1988
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pectinatum subsp. forrestii 'Sparkling'
ha: narrow tree-like shrub
ht: 10m tall x 3-4m wide
bark: green with white stripes
ls: 3-5 lobed with terminal lobe distinctly elongated and acuminate at the apex. Side lobes are
ls: reduced in adult foliage.
lc: bright green
afc: yellow
pet: showy red - very distinct and unique trait among cvs. of this species.
flc: greenish
or: Firma Esveld as chance seedling in 1989 after 10 years of observation.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pennsylvanicum
ht: 30 ft. in wild but often 10-20 ft. in gardens
bk: green striped white when young
ll: 3-7 in.
ls: 3-lobed
lm: doubly serrate
lv: red pubescence below at first becoming glabrescent or glabrous
fc: yellow but not showy
it: pendulous raceme
il: 4-6 in.
frd: wings 0.75 in. wide with schizocarp 1.5-2.0 in. end to end
geo: Eastern N. America
in: to Europe in 1755

Acer pennsylvanicum 'Erthyrocladum'
tw: young twigs bright red in winter
or: Spath Nur. of Germany around 1904
so: not cultivated in the US?

Acer pentaphyllum
so: Greer Gardens 1-800-548-0111

Acer 'Phoenix' (Acer davidii x Acer pennsylvanicum)
hp: davidii x pensylvanicum
bk: bright red bark

Acer pseudoplatanus 'Amry'
ha: large tree
lu: used in Europe as street tree where it tolerates some wind
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pseudoplatanus 'Brilliantissima'
lc: new growth bright 'shrimp' pink becoming yellowish green. There are
lc: some wonderful rose amber or tawny pink shades that are stunning.
so: Greer Gardens 1-800-548-0111

Acer pseudoplatanus 'Bruchem'
ha: large tree
lu: used in Europe as street tree where it tolerates some wind
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pseudoplatanus 'Constance P.'
ha: large tree
lu: used in Europe as street tree where it tolerates some wind
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pseudoplatanus 'Erectum'
ha: narrowly columnar

Acer pseudoplatanus 'Leat's Cottage'
ha: small tree
wd: 2m wide when grafted high on standard
lc: similar to 'Brilliantissimum' but not as bright
or: unknown per van Gelderen. They speculate it may be a seedling of 'Brilliantissimum'
lsp: Savill Gardens UK
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer pseudoplatanus 'Negenia'
st: brownish
bud: green
lv: glabrous
la: lobes acute
pet: red
li: Rassenlijst voor Loffhoutgewassen 10 (1958)
li: Boom, B.K. 1959. Ned. Dendr. 330.

Acer pseudoplatanus 'Prinz Handjeri'
lc: new growth bright pink becoming green with dark purple below
so: Greer Gardens 1-800-548-0111

Acer pseudoplatanus 'Puget Pink'
lc: pink when young

Acer pseudoplatanus 'Spaethii'
ha: densely globose
gr: slower
lc: reddish green above and darker purple below
ns: this name is also applied to a yellow leaved clone
so: Greer Gardens 1-800-548-0111

Acer pseudoplatanus 'Zenith'
ll: 9-12cm
st: greyish
bud: light green
lv: pilose on veins below
la: lobes acuminate
pet: green unlike 'Negenia' which is red
lu: originally selected for wood production they can replace the species
li: Rassenlijst voor Loffhoutgewassen 10 (1958)
li: Boom, B.K. 1959. Ned. Dendr. 330.

Acer pycnanthum K. Koch
syn: Acer rubrum var. pycnanthum (K. Koch) Mak.
ls: 3-lobed and much like Acer rubrum
lc: glaucous white below
lv: glabrous on all parts unlike some A. rubrum when young
frt: wings on schizocarp are often erect unlike A. rubrum

Acer rubescens 'Summer Snow'
ha: open branched shrub to small tree
ht: 3-4m?
bark: striped green but not always showy
lw: 5-8cm
ls: 3-lobed, often crinkled
lc: mottled white and pink
or: Firma Esveld 1993 received as Acer insulare variegatum from Hirose-noen Ltd. of Japan
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer rubescens 'Summer Surprise'
ha: shrub
ht: 4-5m tall x 4-5m wide
st: twigs stripped green - semi-showy
lw: 5-10cm
ls: 3-lobed and often crinkled
lc: heavily mottled pink and white when young - prone to reversion
or: R. Cave of NZ c. 1987
id: van Gelderen states it is similar to the other variegated clones.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer saccharinum 'Mareltoi'
ls: deeply incised and 'lacy'
gr: slow
frq: 'apparently seedless'
ch: 'very'
pat: US #6594 to H.H. Haver in 1989

Acer saccharum 'Adirondak'
ht: 75-90'
wd: 25-30'
habit: upright with foliage in dense tiers or layers
lc: dark green and remaining green 'late into season'
ac: orange to yellow about 2 weeks later than normal
tm: registered in US

Acer saccharum 'Autumn Splendor' (8/00)
lv: fewer hairs in axils of veins below
bud: winter buds 4.0-5.5mm long with pubescent scales
afc: bright yellow-orange to red (RHS 22A, 42B
st: winter twigs grayish orange (RHS 175C, 175A)
lu: more drought tolerant than older cvs. and resistant to leaf tatter
or: John C. Pair Horticultural Res. Center from superior mature tree in their collection in 1992
in: US trade 1993
reg: IRA 1999.
li: Tebbitt, M.C. 2000. International registration of cultivar names for unassigned woody genera
li: 1999. HortScience 35(4): 548.

Acer saccharum 'Bonfire'
ht: 65'
wd: 50'
ha: broadly oval or narrowly pyramidal
pat: US #3817
lc: dark green
no: said to be heat resistant in trials
ac: orange to red

Acer saccharum CRESCENDO(tm) 'Morton'
ht: 30 ft. tall x 30 ft. wide (original tree)
lc: dark green
afc: orange-red, reliably so and showy
lu: proven drought tolerant in midwest US
or: Morton Arb. Lisle IL USA selected from superior tree in collections
photo, in: Chicagoland Grows c. 2002

Acer saccharum 'Green Mountain'
ha: upright oval - literally a green mountain
lc: darker green
lt: thicker and thus more scorch resistant
ac: red shades
so: Twombly Nur. 203-261-2133

Acer saccharum 'John Pair' (8/00)
afc: red to grayish-red (RHS 46B, 179B) and persisting longer
st: winter twigs grayish orange (RHS 165B, 164A, 175AA)
bud: winter buds 4.0-5.5mm long and scarcely pubescent (unlike 'Autumn Splendor')
or: John Pair Hort. Res. Center in 1992 from superior mature tree in their collection
reg: IRA 1999
in: US trade 1993
'li: Tebbitt, M.C. 2000. International registration of cultivar names for unassigned woody genera
li: 1999. HortScience 35(4): 548.
 

Acer saccharum 'Legacy'
ha: symmetrical and neat globose
ht: 50-60 ft.
lc: dark glossy green
ac: reliably red to orange
ch: 3 or proven in cold climates
so: Twombly Nur. 203-261-2133

Acer saccharum 'Louisa Lad'
ha: narrower, taller than wide
ht: 12m
afc: intense" fall colors in Netherlands, even in maritime climate per van Gelderen.
or: J.J.W.M. can de Oever of Netherlands 1984
in: originator 1984
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer saccharum 'Majesty'
pat: US #5273
ht: 60-80'
wd: 40-50'
ha: broadly oval to pyramidal with central straight leader
gr: vigorous and produces heavy caliper in record time
ac: red and orange shades
or: parent tree in Cambridge NY
ch: parent tree withstands -38 F. routinely
pr: resistant to sun scald
bk: crack resistant
lc: dark green

Acer saccharum 'Millane's Dwarf'
ha: dwarf and ovoid
ht: 8 ft. in 15 years
wd: 3 ft. in 15 years
gr: 2-3 in. per year or very slow
so: Twombly Nur. 203-261-2133

Acer shirasawanum 'Yasemin'
bk: narrow, shrubby tree
ht: 10m tall x 3-4m wide
ls: 9-11 lobed, slightly convex
lm: finely incised
lc: glossy dark purple
frt: flowering/fruit clusters in "erect bundles"
or: as chance seedling of 'Palmatifolium' by Firma Esveld 1995 and named for Mirte Yasemin
or: vanGelderen. They suggest it could be a cross to a nearby A. palmatum 'Bloodgood'.
li: Gelderen, C.J. van and D.M. van Gelderen. 1999. Maples for gardens. Timber Press. Portland.

Acer sikkimense
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer tataricum
ha: dense shrub to small spreading tree
ht: 20-30 ft.
ls: broadly ovate and unlobed - or 3-5 lobes on vigorous shoots only
lb: rotund to subcordate
ll: 2.0-3.5 in.
lw: 1.5-2.5 in.
lv: glabrous above and veins below pubescent
lm: doubly and irregularly serrate
it: erect panicle
il: 2-3 in.
fc: greenish white
bt: May to June
frd: 0.75-1.25 in. long with wings 0.25 in. wide
frc: often reddish - enough color to be showy at short distance
geo: SE Europe and Asia Minor
in: about 1759 to Europe
so: Forest Farm, 990 Tetherow, Williams, OR 97544-9599 ($3 catalog)
so: Greer Gardens 1-800-548-0111
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer tataricum PATTERN PERFECT(R) 'Patdell' (4/02)
ht: 20 ft. tall x 15-20 ft. wide
ha: globose
st: red, showy
lc: dark green
lt: thicker blades
afc: orange-red, showy
frc: red, persistant, showy
dr: tar leaf spot resistant
in: Carlton Plants Catalog 1999
wholesale source: Femrite Nursery (online catalog 2002)
 

Acer tegmentosum
bk: bright green striped white
rai: some consider this to be the finest snakebark maple
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer trautvetteri
ch: 6
ht: 50 ft.
ac: yellow
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer triflorum
so: Greer Gardens 1-800-548-0111

Acer truncatum
ha: small tree
ht: 25 ft.
tw: glabrous and purple tinted
ls: 5-7 triangular lobes with basal lobes spreading
lm: terminal lobe often with 2 large teeth or secondary lobes
lc: dark green above
ll: 2-4 in.
lw: 2.5-4.5 in.
lv: glabrous on both sides
lb: subcordate
pet: contains milky sap
fd: .3-.5 in.
fc: yellow-green
it: corymb
frv: glabrous
frd: wings 1.2-1.5 in. long and 0.3-0.5 in. wide
geo: N. China
in: Bretschneider to Kew in 1881
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101
so: Forest Farm, 990 Tetherow, Williams, OR 97544-9599 ($3 catalog)

Acer truncatum 'Warrenered'
ha: straight trunk with first year limbs highly symmetrical
gr: more vigorous
ac: bright red to 'greyed purple' in fall
pat: US #7433 to K.S. Warren in 1991
ns: the AGRICOLA database lists the name spelled 'Warrenered' but we
ns: have seen it spelled 'Warrenred' elsewhere.

Acer tschonoskii
so: Colvos Creek, 1931 Second Ave. #215, Seattle, WA 98101

Acer x zoeschense 'Annae' (Acer campestre x Acer lobelii)
li: Schwerin. 1908. Mitt.D.D.G. 17: 216. (as Acer neglectum annae)
li: Boom, B.K. 1942. Ned. Dendr. 259.

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