Annual herbacious plants that originated from Tropical America. Each plant has a many branching stalks which bears a flowers at the end. The plant is about 45 to 100 cm high. There are many hybrids, the common ones are light yellow and dark yellow. The original wild variety has white or pink flowers. The flowers are small, about 3 cm across, The shoots can be eaten raw as a traditional salad (ulam). The wild varieties are often planted as a supplementary (salad) food crop in villages.

Rujukan (References)