生活型

herb

形態特徵

• Culms erect, tufted.
• Blade linear-lanceolate, 20-30 cm long, 5 mm wide, surface sparingly covered with silky hairs, especially at base; mouth of sheath covered with a ring of long silky hairs.
• Inflorescence a large open panicle, ca. 28 cm long. Spikelets blackish purple, several-flowered, usually 7 florets, ca. 6 mm long, 2 mm wide; glumes subcoriaceous, 1-nerved; lower glume linear lanceolate, ca. 1.2 mm long; upper glume lanceolate, ca. 1.6 mm long; lemma of same texture as glumes, ca. 2.5 mm long, ovate, 3-nerved; palea chartaceous, ca. 2 mm long, elliptic, 2-keeled, minutely scabrid along keels.
• Caryopsis ca. 1 mm long reticulate on surface, rectangular in cross section, embryo 2/3 its length of caryopsis.

分布

• 台灣 : on hills in the north.
• 世界 : Sikkim, Tibet, China and Japan.

引證標本

TAIPEI: Shihting, Kuoh 2457; Hsiaokotou, Hsu 5338, 6522; Yinghotung, Hsu & Kuoh 10829.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 420. 2000.  (Fl. Taiwan 2nd edit.)