生活型

herb

形態特徵

• Annuals; culms tufted, geniculate, 4-5-noded; 20-60 cm tall, 1 mm in diam.
• Blades linear,5-15 cm long, 3-7 mm wide; ligule 3-6 mm long, apex fringed.
• Panicle oblong. Spikelets 1-flowered, oblongelliptic, 2-2.5 mm long; glumes subequal, lanceolateoblong, membranaceous, scabrous, rounded abaxially, apex sinus; awn arising between lobes, 1.5-2 mm long, slender, straight.
• Lemma 0.8-1 mm long, elliptic, apex subobtuse, toothed, midnerve projecting beyond lemma in a short awn. Palea slightly shorter than lemma, apex toothed. Anthers 0.5 mm long. Caryopsis ellipsoid, 1 mm long.

分布

• 台灣 : This is a very common grass growing on the plain and lowland regions in Taiwan.
• 世界 : Japan, Korea, China, India and Africa.

引證標本

TAIPEI: N.T.U. campus, Hsu & Kao 156; Keelung, Hsu 589. TAICHUNG: Pahsienshan, Hsu 430. CHANGHUA: Lukang, Kuoh 1628. HUALIEN: Luangshan, Hsu s. n. Aug. 17, 1967.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 361. 2000.  (Fl. Taiwan 2nd edit.)