生活型

herb

形態特徵

• Annuals; culm weak, slender, 30-120 cm high, branching and prostrate.
• Blade 5-30 cm long, 4-10 mm wide, thin; sheath glabrous, margins ciliate; ligule truncate, membranaceous, ca. 0.5 mm long, irregularly fringed with hairs.
• Panicle open, ovate or deltoid, 12-40 cm in length and width. Spikelets acute, ca. 2 mm long, elliptic, faintly dark green, sometimes purplish; lower glume triangular, acuminate or acute, 1/3 as long as spikelet; upper glume and lower lemma similar, acute, finely 5-veined, membranaceous, elliptic, 15-18 mm long, obtuse, smooth, shiny, greyish brown when mature.

分布

• 台灣 : in lowland forest margin.
• 世界 : India, Malesia, Australia, China and Japan.

引證標本

TAIPEI: Kuanyingshan, Hsu 588. MIAOLI: Senghsin, Hsu 1354. TAICHUNG: Taian, Hsu 545. NANTOU: Puli, Hsu 1371.

參考文獻

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