生活型

herb

形態特徵

• Perennials; culm stoloniferous, rooting at nodes, branching, internodes 1-2 cm long; flowering culm slender, ascending, 10-40 cm tall.
• Blade mostly 1-4 cm long, 3-5 mm wide, ovate-lanceolate, glabrous; sheath pubescent, shorter than internode; ligule membranaceous, 1-1.5 mm long, more or less truncate, erose.
• Inflorescence in digitate racemes, racemes 2-4, 3-8 cm long, usually curving outward; rachis flat, broadly wing-margined. 0.5-0.8 mm wide; pedicel terete. Spikelet 1.2-1.5 mm long, ellipical, pale, minutely pubescent near margins; lower glume absent; upper glume and lower lemma about equal, elliptic-ovate, acute, 5-veined; lower lemma 5-7-veined, marginal veins often faint, with lines of hairs along margins and interveins spaces except inner-most 3; anther ca. 0.7 mm long.

分布

• 台灣 : along riverbanks and roadsides or on dykes between rice-fields.
• 世界 : Tropics of the Old World.

引證標本

TAIPEI: Fulung, Hsu 887; Kankou, Hsu 635. TAOYUAN: Yangmei, Hsu 707. MIAOLI: Chunan, Hsu 477. TAICHUNG: Hsinchuang, Hsu 605. NANTOU: Chungliao, Yamamoto & Suzuki 822. YUNLIN: Huwei, Hsu 471. PENGHU: Makung, Horikawa s. n. PINGTUNG: Oluanpi, Hsu 740. TAITUNG: Chihpen, Hsu 970.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 469. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)