生活型

herb

形態特徵

• Tall, stout, tufted perennials; culms to 2 m or more tall, 5 mm in diam., solid.
• sheaths loose, keeled, glabrous, to 20 cm long; ligule ca. 0.5 mm high, upper margin ciliate; blades folded or flat, 30-60 cm long, 4-10 mm wide; scabrous on margins.
• Inflorescence a large, erect panicle, 20-25 cm long, central axis with whorls of simple racemes, branches very slender. Spikelets in pairs;lower spikelet: sessile, fertile, glabrous, with spines abaxially of glumes; lower glume 3-nerved, upper glume 1-nerved, lower floret only consisting of a lemma, upper floret with membranaceous lemma and palea; lodicules 2, truncate; pedicelate spikelet : sterile, lower glume with spines abaxially.

分布

• 世界 : Tropical Africa to Sri Lanka, India, Myanmar and southeastern Asia.

引證標本

TAIPEI: Expt. Farm of Natl. Taiwan Univ., Kuoh s. n.* Oct. 2000. MIAOLI: Tsaochiao, Kao 8847; Chiting, Tsai s. n. Sep 1971. PINGTUNG: Kenting, Moriya 2349 (TI). TAITUNG: Sanshientai, Liu 3.

參考文獻

• HSU, Chien-Chang-, Flora of Taiwan, second edition 5: 587. 2000.  (Fl. Taiwan 2nd edit.)