生活型

herb

形態特徵

• Cultuvated annuals; culms erect, single or tufted, nodes bearded; ligule ca. 1 mm long, with cilia ca. 2 mm long.
• Inflorescence an open or contracted panicle, drooping when mature. Spikeles 2-flowered, ovate-elliptic, ca. 4.5 mm long, acute, glabrous; glume papery, pointed, unequal; lower glume deltoid, 7-9-veined, ca. 3.5 mm long; upper glume 11-veined, veins converged into a thickened beak, as long as spikelet, palea of lower floret small, usually notched at apex; upper floret fertile, rounded, glabrous, polished, ca. 3 mm long, lemma rounded in back, 7-veined; palea 2-veined.
• Caryopsis rounded, 2 mm long, smooth, embryo 1/2 as long as grain, hilum punctiform, black.

分布

• 台灣 : cultivated as a green fodder.
• 世界 : Originally from Central Asia, cultivated in warm and temperate regions.

引證標本

ILAN: Ssuyuen, Ku s. n.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 491. 2000.  (Fl. Taiwan 2nd edit.)