生活型

herb

形態特徵

• Culms tufted, ca. 1 mm in diam., hard, nodes densely covered with silky hairs.
• Blade 8-10 cm long, 3-4 mm wide, surface covered with tubercle based silky hairs; ligule chartaceous, ca. 1 mm long, upper margin fimbriate.
• Inflorescence of digitate racemes, racemes 2-8, to 5 cm long, pale purple in color. Spikelets paired, upper ones pedicelate; lower ones sessile, ca. 3 mm long. Lower glume oblong, chartaceous, as long as spikelet, 5-nerved, lower argins inrolled, upper part 2-keeled, with long tubercled hairs along keels, lower back ciliate; upper glume chartaceous, lanceolate, margins inrolled, fimbriate, backside 1-keeled, 3-nerved; lemma linear, 1-nerved, tipped with a long flexuous awn arising from apex, ca. 6 times its length of lemma; palea oblong, hyaline, ca. 2.5 mm long, nerveless; anther ca. 1.8 mm long; lodicules 2, truncate, conspicuously several-nerved, ca. 0.3 mm long.
• This is an excellent fodder grass which is sought by livestock from a mixture of grasses and eaten in preference to all others.

分布

• 世界 : Widely distributed in India, Myanmar, tropical and northern Africa, now introduced for fodder in many countries.

引證標本

PINGTUNG: Pingtung, Chang 6016.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 537. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)