Ottelia acuminata

Ottelia acuminata, is a plant species endemic to Southern China.

Description

The whole plant is underwater, except for the showy three-petaled flowers with lobes.
;Varieties

Ottelia acuminata var. acuminata - Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan.
Ottelia acuminata var. crispa H. Li - Yunnan.
Ottelia acuminata var. jingxiensis H. Q. Wang & S. C. Sun - Guangxi.
Ottelia acuminata var. lunanensis H. Li - Yunnan.