生活型

herb

形態特徵

• Culms tufted, to 2 m tall.
• Blade linear, 30 cm long or more, 0.5-1 mm wide, midrib white, conspicuous, surface loosely glandular hairy; ligule ca. 0.5 mm long, fimbriate; margins of sheath hairy.
• Inflorescences of digitately arranged spikes, ca. 15 cm long. Spikelets 2-flowered, ca. 5 mm long; glumes chartaceous, deltoid-lanceolate, acute, aristate, conspicuously 1-nerved; lower glume 1/2 as long as upper; lemma purplish, subcoriaceous, siliceous, broadly lanceolate, ca. 5 mm long, margins inrolled, 3-nerved, 2-toothed, midrib extended as an awn, nearly as long as lemma; palea linear, 2-keeled, upper margin siliceous, with same texture and length as lemma; upper floret reduced into a sterile lemma.
• Caryopsis ca. 3.5 mm long; embryo 1/2 its length of caryopsis.

分布

• 台灣 : only in the south.
• 世界 : Afghanistan through India to southeastern Asia and southern China.

引證標本

TAINAN: Hsinhua, Hsu & Wang 10439*. KAOHSIUNG: Chiuchitang, Hsu 1554; Chishan, Hsu & Mizushima 5045. PINGTUNG: Kenting, Hibino & Suzuki 12531.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 406. 2000.  (Fl. Taiwan 2nd edit.)