生活型

herb

形態特徵

• Culms tufted and slender.
• Blade filiform, 6-8 cm long, 1.5-3 mm wide, strongly involute forming a pipe 0.3-1 mm across, hairy between blades and sheath; ligules 0.75-2.5 mm long, apex rounded.
• Panicle contracted to open, (3-)5-7(-12) cm long, axes scaberulous. Spikelets 1-flowered, 4 mm long; glumes subequal, lanceolate, acuminate; lower glume 1-nerved, upper glume 3-nerved, lateral 2 nerves slightly shorter.
• Floret 3.5 mm long, callus covered with short hairs, hairs ca. 1/3 their length of floret; rachilla produced, 1.25-1.75 mm long, densely covered with long hairs; lemmas broadly lanceolate, apex acuminate, sinus, 5-nerved, midrib apically prolonged into a slender twisted, scabrid awn; palea linear, keeled, with a sinus at apex, 3 mm long; anther 1.6 mm long.

分布

• 台灣 : The var. <i>suizanensis</i> is endemic to Taiwan.

引證標本

NANTOU: en route from Kuankao to Patungkuan, Kuoh 14495. CHIAYI: Santungpu, Chen 11302; Shuishan, Soma s. n. Dec 1914; Morrisonshan, Suzuki s. n. 10 Jul 1933, Hsu 6350A. TAITUNG: en route from Konliao to Hsianyan, Chen 15162. HUALIEN: Tailuko, Suzuki & Fukuyama 16374.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 357. 2000.  (Fl. Taiwan 2nd edit.)