生活型

herb

形態特徵

• Tall reed; culms solid, to 1 cm across, more than 2 m tall.
• Blade ca. 2 cm wide, margins siliceous; ligule chartaceous, hispid abaxially.
• Inflorescence a large panicle. Spikelets in threes, monomorphic; rachis articulating; lower spikelet ca. 4.S mm long, falling off together with joint of rachis; lower glume chartaceous, lanceolate, 2-keeled, sericeous abaxially, as long as spikelet; upper glume chartaceous, lanceolate, with margins slightly inrolled, 5-nerved sericeous, pointed; lower lemma ca. 3.8 mm long, 3-nerved, upper margins: inrolled, fimbriate; upper lemma membranaceous, margins inrolled, upper half fimbriate, pointed, ca. 3 mm long; upper palea hyaline, ovate, ca. 2 mm long, ciliate at apex.
• Caryopsis ca. 2 mm long, cylindrical; embryo 1/2 its length of caryopsis.

分布

• 台灣 : a tall reed along rivers.
• 世界 : Malaysia, the Ryukyus and southern China.

引證標本

PENGHU: Penghu, Hsiang s. n. 21 Mar 1964.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 544. 2000.  (Fl. Taiwan 2nd edit.)