生活型

herb

形態特徵

• Perennials; culm stout, 5-8 mm in diam., decumbent and rooting at basal nodes, 2-5 mm long, node densely villous.
• Blades pubescent, 10-30 cm long, 10-15 mm wide; sheath villous, longer than internode; ligule ca. 1.3 mm long, membranaceous, ciliate at apex.
• Inflorescence of racemose racemes, racemes 12-20 cm long, rather distant, stout, simple or divided below; rachis narrow, scabrid, slightlly flattened; pedicel bristled. Spikelets usually paired, turgid, numerous, crowded on one side, ca. 3.5 mm long, elliptic, glabrous, green or purplish; lower glume triangular, 1-veined; upper glume and lower lemma subequal, 5-veined; lower lemma always paleate; lower palea slightly longer than spikelet; upper lemma elliptic, obtuse, margins narrowly incurved, obscurely dotted or roughened; anther ca. 2 mm long.

分布

• 台灣 : in open and shady areas, also in swampy places.
• 世界 : Originally from Brazil, introduced and naturalized elsewhere.

引證標本

TAIPEI: Taipei, Chang 10003; Wanshenlee, DeVol 8370. HSINCHU: Hsinchu, Shimada 5509B. KAOHSIUNG: Hsiaokang, Suzuki 211. HUALIEN: Hualien, Shimizu & Kao 10678.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 458. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)