海菜花(原变种) hai cai hua (yuan bian zhong)

Boottia acuminata Gagnepain, Bull. Soc. Bot. France 54: 538. 1907; B. yunnanensis Gagnepain; Ottelia acuminata var. tonhaiensis H. Li; O. cavaleriei Dandy; O. yunnanensis (Gagnepain) Dandy; Xystrolobos yunnanensis Gagnepain.

Leaves linear to broadly cordate, base usually cordate, margin entire or minutely serrulate. Spathe with 2-6 ribs. Male spathe with 40-50 male flowers, with several veins; male flowers with filiform staminodes. Female spathe with 2 or 3 female flowers. Fruit triangular-conic. Seeds without hairs.

● Lakes, ponds, channels, paddy fields. Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan.