生活型

herb

形態特徵

• Annuals; culm long creeping, stoloniferous, flowering culm 6-60 cm tall, nodes glabrous.
• Blade 2.5-15 cm long, 3-8 mm wide; sheath longer than internode, often keeled, margins membranaceous; ligule membranaceous, truncate, 0.5-1 mm long.
• Racemes usually 2, conjugate or closely approximate; rachis 1-2 mm wide, 3-angular, often zigzag. Spikelet solitary, imbricate, elliptic, 3.5-4 mm long; lower glume absent; upper glume and lower lemma equal, thin, weakly 5-veined; lower lemma often transversely undulate; upper lemma 2.5-3 mm long, slightly concave-convex, with a tuft of short hairs at apex; upper palea ca. 2/3 as long as upper lemma; anther ca. 1.5 mm long.

分布

• 台灣 : halophilous.
• 世界 : Tropics and subtropics of the Old World.

引證標本

TAIPEI: Fukueichiao, Hsu 99. YUNLIN: Taihsi, Hsu 665. TAINAN: Anpin, Hsu 731. TAITUNG: Lanyu Is., Sasaki s. n.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 501. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)