生活型

herb

形態特徵

• Perennials; culm succulent, stout, usually 1-2 m long or longer, decumbent, rooting from basal nodes.
• Balde 15-35 cm long, 1.5-3 cm wide, base cordate-clasping, more or less papillose-hispid or ciliate; sheath often overlapping, loose margins ciliate; ligule truncate, membranaceous, 1-2 mm long.
• Inflorescence a contracted spike-like panicle, 15-30 cm long; pedicels serrate. Spikelets lanceolate, hispid, acuminate, 3.5-6.5 mm long; lower glume ca 1.8 mm long, 1-veined; upper glume ca. 4.5 mm long, 5-veined; upper glume and lower lemma scabrous on veins, lemma often awn-tipped; upper lemma thinmembranaceous, ca. 3 mm long.

分布

• 台灣 : in swampy places and on margins of ponds or slow-flowing streams.
• 世界 : India, Myanmar, Indochina, Malesia, China and Polynesia.

引證標本

TAIPEI: Neihu, Masamune 2828; Sanchangli, Shimozawa 936. KAOHSIUNG: Fengshan, Suzuki 5639. PINGTUNG: Takao, Sasaki s. n.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 478. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)