生活型

herb

形態特徵

• Cultivated annuals or biennials; culms tufted, 6-7-noded; ligule short, membranous.
• Spike to 10 cm long, rhachis joints 2-3 mm long. Spikelets 2-6-flowered, 10-15 mm long, upper ones sterile; rachilla joints about 1 mm long.
• glumes coriaceous, slightly membranous near margins, ovate, strongly keeled on upper half, 7-9-nerved, usually with tessellate nerves in upper part; palea 2-keeled, narrowly winged, as long as lemma; anthers 1.8-2 mm long. Caryopsis 5 mm long, hairy at apex, enclosed between lemma and palea, hilum linear; embryo 1/4 as long as grain.

分布

• 世界 : Widely cultivated worldwide.

引證標本

TAIPEI: Taipei, Kao s. n. 20 Mar 1958. TAICHUNG: Salu, Kuoh 10034.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 401. 2000.  (Fl. Taiwan 2nd edit.)