Sicyos angulatus: An
annual vine that originates in North America, has spread in various
districts in Japan and inhabits dry river beds or wastelands.
Leaves are concentric-shaped and shallowly cleft in 5-7. Dioecious:
Axils emerge inflorescences and sparsely set yellow-white flowers in
them; male and female flowers form themselves in separate
inflorescences; the male inflorescences, 10-15cm long, sparsely put
the male flowers, and the female inflorescences are short and put
the females gathering flowers together in a flower-head way. Bloom
time: August-September. |