生活型

herb

形態特徵

• Rhizome short, with long stolons. Culms erect, loosely tufted, 6-30 cm tall, 0.5-2 mm thick, trigonous, rigid, smoothish to scabrid.
• Leaves several, recurved, 1.5-7 mm wide; sheaths forming a short pseudo-stem.
• Inflorescence a dense contiguous terminal panicle, subcompound with 2 to few short branches at base, ovoid-ellipsoid, 3-8 cm long, bearing many spikelets; lowest bract leaf-like to setaceous, shorter than to overtopping inflorescence pyramid to oblong. Bracts rather short. Spikes arising from a fertile cladoprophyll, androgynous, ellipsoid, 0.5-2 cm long.
• Glumes ovate, 2 mm long, pale or rusty-brown, acute at apex. Utricles patent, longer than glume, oblong, 2.5 mm long, obtusely trigonous, finely several-nerved, greenish to yellowish brown, beak rather long, bidentate. Achenes loosely contained, elliptic, trigonous, 1 mm long; style thickened at base; stigmas 3.

分布

• 台灣 : open sandy slope, 2,200-3,300 m.
• 世界 : Japan, Vietnam and Luzon.

引證標本

NANTOU: Hohuanshan, Chen 16292. KAOHSIUNG: Tienchi, Kuoh 12051. TAITUNG: Takuanshan, Chen 15477. HUALIEN: Chilaishan, Chen 14898.

參考文獻

• KOYAMA, Tetsuo, KUOH, Chang-Sheng & LEONG, Wai-Chao, Flora of Taiwan, second edition 5: 229. 2000.  (Fl. Taiwan 2nd edit.)