生活型

herb

形態特徵

• Annuals; culm branching and rooting at lower nodes, 15-50 cm tall.
• Blade at least hispid at base, ovate to ovate-lanceolate, thin, cordate, clasping culm, 3-6 cm long, 1-2 cm wide; sheath glabrous, ciliate on margins; ligule a ring of hairs, ca. 0.5 mm long.
• Panicle ovoid, open, 5-12 cm long, branches capillary. Spikelets elliptic, turgid, purplish, narrowed at base, acutish, hispidulous, ca. 1.7 mm long; lower glume oblong, acute, 3-veined, nearly as long as spikelet; upper glume and lower lemma equal in length, 5-veined; lower palea as long as lower lemma; upper lemma ridged, smooth, coriaceous.

分布

• 台灣 : in thickets, forest margins, trails and rice fields.
• 世界 : Tropical Africa and Asia.

引證標本

TAIPEI: Kankou, Hsu 643. NANTOU: Sun Moon Lake, Hsu 1333.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 487. 2000.  (Fl. Taiwan 2nd edit.)