Copyright 1998. Taxonomic Computer Research. All Rights Reserved.
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1. Flowers with 2-4 styles (uncommon).....2
1. Flowers with 5 styles (most species).....3
2. POSSIBLE ID=Amelanchier utahensis
3. plant a distinct tree or non-suckering shrub (10-50 feet tall).....20
3. plant a suckering shrub (4-8 feet tall).....4
4. flowers solitary or in clusters of 2 (rarely 2) (uncommon).....5
4. flowers in clusters of 4-15.....6
5. POSSIBLE ID=Amelanchier bartramiana
6. flowers 1.5 to 2 inches across (uncommon).....7
6. flowers .25 to 1 inch across (most common).....8
7. POSSIBLE ID=Amelanchier cusickii
8. sepals in fruit erect & ovary glabrous & petals oblong.....9
8. sepals in fruit erect & ovary apex wooly & petals obovate.....10
8. sepals in fruit horizontal & petals oblong.....11
8. sepals in fruit recurved & ovary apex woolly.....12
9. POSSIBLE ID=Amelanchier obovalis
10. POSSIBLE ID=Amelanchier canadensis (true - not nursery trade)
11. POSSIBLE ID=Amelanchier x spicata (canadensis x stolonifera)
12. POSSIBLE ID=Amelanchier stolonifera
20. new growth bronzy & new leaves glabrous & lower pedicels to 2 in......21
20. new growth bronzy & new leaves woolly & pedicels to 1.5 in......22
20. new growth green & new leaves woolly & pedicels to 1 in......23
21. POSSIBLE ID=Amelanchier laevis
22. POSSIBLE ID=Amelanchier x grandiflora (laevis x arborea)
23. teeth along margin & petals often obovate & ovary apex glabrous.....24
23. teeth only in upper half & petals oblong & ovary apex woolly.....25
24. POSSIBLE ID=Amelanchier arborea
25. POSSIBLE ID=Amelanchier asiatica