生活型

herb

形態特徵

• Rhizome stout. Culms to 60 cm tall.
• Blades to 15 cm long, scabrous; ligule ciliate, ca. 1 mm long; sheath compressed and keeled, longer than internode.
• Raceme single, 3-6 cm long. Spikelets paired, basal 3-10 spikelets imbricate, sterile, persistent, awnless; upper 10 spikelets paired, one pedicellate, other sessile. Sessile spikelets ca. 7 mm long, cylindrical, covered with brown hairs, awned from summit, awn long and stout; callus sharp pointed, ca. 2 mm long; glumes coriaceous, rounded abaxially; upper glume 2-nerved, margins membranaceous; upper lemma linear, membranaceous, tipped with a genicula awn of 10 cm long, column twisted and hairy.

分布

• 台灣 : in the south, usually along railways.
• 世界 : Widely distributed in the tropics, ascending to 2,000 m in the Himalaya.

引證標本

TAIPEI: Kankou, Sasaki 380284. CHANGHUA: Pahkuashan, Hsu 11239. TAINAN: Hsinhua, Hsu 13666. KAOHSIUNG: Fengshan, Chuang 4159. TAITUNG: Taitung, Suzuki s. n. 17 Oct 1934.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 551. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)