生活型

herb

形態特徵

• Perennials, densely tufted; culms erect, 10-50 cm tall, 1-2 mm in diam., ligule membranaceous, tongue shaped, 3 mm.
• leaf blade 10-15 cm long, 5 mm wide.
• Panicle contracted, nearly cylindrical, 10-15 cm long. Spikelet 2-3-flowered, 7 mm long, rachilla joints 1 mm long.
• glumes chartaceous, lanceolate, lower glume 5 mm long, 1-nerved, upper glume 7 mm long, 3-nerved; lemma 6 mm long, chartaceous, lanceolate, acuminate, awn arising from near apex, 3-6 mm long, weakly geniculate; palea membranaceous, linear, 5 mm long, ciliate on keel, apex bifid. Anther 1 mm long.

分布

• 台灣 : Variety <i>formosanum</i> is endemic to Taiwan in alpine region.
• 世界 : <i>T. spicatum</i> is a variable species widely distributed in artic and slpine regions of both northern and southern Hemispheres.

引證標本

ILAN: Nanhutashan Shiachuienku, Lu 23397; Nanhutashan, Suzuki s. n. July 17, 1937. HSINCHU: Tapachienshan, Kuoh 3286; Hsu 12199. TAICHUNG: Tahsueshan, Kuoh G283; Hsuehshan, Lu 20024. NANTOU: Hohuanshan Chen 16019; Nengkaoshan, Kudo & Mori 138; Tsuifeng, Hsu 11570. CHIAYI: Morrisonshan, Suzuki s. n. 11 Jul 193; Hsu 1106. KAOHSIUND: South cross highway Tienchi, Kuoh 12035. TAITUNG: Chiaminghu, Chen 15084. HUALIEN: Chilaishannanfeng, Suzuki s. n. 24 Aug 1929.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 366. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)