生活型

herb

形態特徵

• Annuals; culm to 1 m long, decumbent and rooting at lower nodes, 15-40 cm tall.
• Blade lanceolate, 3-9 cm long, 8-20 mm wide, more or less papillose-pilose, margins scabrous; ligule hyaline, truncate, ciliate above.
• Inflorescence of racemose racemes, 7-15 cm long; racemes 6-10, with densely-crowded spikelets, central axis hairy, 0.5-3 cm long. Spikelets narrowly ovate, 2-4 mm long; glumes subequal, 1.5-3.5 mm long, awned, awn of lower glume 2-9 mm long, that of upper glume 0.2-1.9 mm long; lower lemma exceeding glumes, 3-4 mm long, awnless or nearly so, usually enclosing a narrow hyaline pale of ca. equal length to lower lemma; upper lemma smooth and shining, 2.5-3 mm long, apex with a minute laterally compressed crest.

分布

• 台灣 : in shady places.
• 世界 : Tropics.

引證標本

KEELUNG: Keelung, Hsu 394. TAIPEI: Yangmingshan, Hsu 97. TAITUNG: Tawu, Hsu 329.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 482. 2000.  (Fl. Taiwan 2nd edit.)