生活型

herb

形態特徵

• Culms tufted, slender, less than 30 cm tall.
• Blade filiform; ligule tongue shaped, 2 mm long. Panicle open, loose, purplish, 5-12 cm long.
• Spikelets 2-several-flowered, 5 mm long; glumes lanceolate, acute; lower glume 5 mm long, 3-nerved, lateral nerves shorter; upper glume 4 mm long, 1-nerved.
• Floret 4 mm long, basal part covered with short hairs which are 1/3 their length of floret; lemma rounded at apex, as long as floret, with a bent awn arising from below middle; palea slightly shorter than lemma, minutely 2-tooted, 2-keeled abaxially. Anthers 2 mm long. Caryopsis glabrous, 2.5 mm long.

分布

• 台灣 : Common exposed gravelly soil in alpine zone, and rocky slopes in montane regions.
• 世界 : Widely distributed in Eurasia and North America.

引證標本

ILAN: Nanhutashan, Suzuki 18031; Kao 5263. HSINCHU: Tapachienshan, Kuoh 14438. TAICHUNG: en route from Tayuling to Pinfonshan, Lin 172; Hsuehshan, Shimada 2603F. NANTOU: Sonshuelou, Chen 16089; en route from Kuangkao to Patungkuan, Kuoh 14489. CHIAYI: Santungpu, Chen 11298; Morrisonshan, Hsu 9105. KAOUHSIUNG: Kuanshanlin, Kuoh 12003. HUALIEN: Tayuling, Hsu 3832.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 355. 2000.  (Fl. Taiwan 2nd edit.)