生活型

herb

形態特徵

• Perennials; rhizome stout; culms erect, branched, to 1 m high; internodes with tubercle hairs, nodes soft hairy.
• Blade up ot 20 cm long, 2-5 mm wide; ligule of a ring of long hairs, ca. 1 mm long; sheath loose, shorter than inernode, ususlly covered with tubercled hairs.
• Panicle open, ca. 15 cm long, branches capillary; pedicels long hairy. Spikelets laterally compressed, ca. 5 mm long, ovate, densely covered with pink hairs, hairs to 6 mm long; pedicels slender, spikelet easily falling off from pedicel; lower glume minute, ca. 1 mm long, covered with stiff short hairs; upper glume and lower lemma subequal, 5-veined, dentate at apex, awned from sinus; lower palea membranaceous, 2-keeled, ciliated on keel, anthers ca. 2 mm long; upper lemma smooth and shiny, ca. 2 mm long.

分布

• 台灣 : common in waste places, roadsides and open fields at the southern part.
• 世界 : Originally from tropical South Africa, now introduced into most warm countries.

引證標本

TAINAN: Tainan, Hsu 6438. PINGTUNG: Santimen, Hsu 40119; Shihmen, Hsu 8002. TAITUNG: Chihshang, Chiang 5.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 507. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)