Description from Flora of China
Plants perennial. Leaf sheath 2--7 cm; pseudopetiole 3--8 mm, abaxially flattened; leaf blade lanceolate to linear, 7--25 × 0.5--2 cm, base abruptly contracted, rounded, or slightly cordate. Panicles erect, irregularly branched, dense; bracts short, broad. Flowers small; tepals white, ovate to broadly so, 2--3 mm, thinly membranous. Stamens exserted. Ovary narrow. Drupes reddish when mature, globose, 4--6 mm in diam., smooth. Seeds 1(or 2). Fl. Apr--Jul, fr. Sep--Nov.
Moist littoral forests, mangrove swamps, freshwater swamps; near sea level to 1500 m. Guangdong, Guangxi, Hainan, Taiwan [Cambodia, India, Indonesia, Japan (Ryukyu Islands), Malaysia, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Africa, Australia, Pacific Islands].