生活型

herb

形態特徵

• Rhizome short, densely tufted, without stolon. Culms 25-90 cm tall, scabrid on upper angles.
• Leaves rather many, shorter than or nearly equal to culm; blades 2-3 mm wide, scabrous; sheaths fuscous to purplish brown.
• Inflorescence paniculate-fasciculate, 20-30 cm long, bearing 4 to 10 fascicles, peduncles 2- to 4-nate, rarely single, many of these further branched. Bracts sheathing; blades of lower 2 to 4 bracts leaf like, slightly shorter than inflorescence. Spikelets cylindrical, androgynous, 1-5 cm long, 2-2.5 mm wide, densely many-flowered.
• Pistillate glumes ovate, acute at apex, 2-4 mm long, straw-colored to lightly ferrugineous, sometimes pale. Utricles erect-patent, longer than glume, ovate or elliptic, 2.5-6 mm long, unequally biconvexed, contracted at short-stipitate base, finely many-veined, hirsute to nearly glabrous, beak 1-2 mm long, bidentate. Achenes tightly inclosed, ovate to elliptic, 1.8-2 mm long, unequally biconvexed; style slightly thickened at base; stigmas 2, ca. 2 mm long.

分布

• 台灣 : common in forests and grasslands, 100-3,000 m.
• 世界 : Madagascar, Sri Lanka, India, the Himalaya, China, Japan, southeastern Asia, Australia and Pacific Is.

引證標本

TAIPEI: Nankang, Chuang 4664. ILAN: Siyuanyakou, Leong 1004. HSINCHU: Litungshan, Leong 1566. TAICHUNG: Tahsueshan, Kuoh 10573. NANTOU: Juiyenhsi, Leong 1345. TAINAN: Nanhua Dam, Leong 1507. KAOHSIUNG: Nantzihsienhsi, Kuoh 10242. PINGTUNG: Sheting, Kuoh 10326. TAITUNG: Hsiaokueihu, Kuoh 16101; Lanyu Is., Kuoh 14961. HUALIEN: Fuyuen, Wang 15379.

參考文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 206. 2000.  (Fl. Taiwan 2nd edit.)