生活型

herb

形態特徵

• Perennial with short rhizomes. Culms erect, to 150 cm tall.
• Leaf blade ca. 20 cm long, 1 cm wide; ligule ca. 2 mm long, membranous, margin and abaxial surface ciliate.
• Inflorescence a contracted panicle, ca. 4 cm long; spikelet strongly laterally compressed, with one floret. Glumes ovate, ca. 5 mm long, ca. 3 mm wide, membranous, apex acuminate, 3-veined, with ca. 1.5 mm long pilose hairs on veins. Lemma ovate, ca. 5.5 mm long, 5-veined, lower part united, apex obtuse; awned. Awn arising from back of lemma, ca. 1/3 from base, 3-5 mm, included within or protruding from the glumes. Anther ca. 2.5 mm long. Ovary ca. 0.75 mm long, stigma ca. 5 mm long.

分布

• 台灣 : near Dongpu Hostel and milestone 87.5 km, along Taiwan Highway No. 18, Shin-yi Hsiang, Nantou Hsien, at middle elevations.
• 世界 : is native to Europe and the northern part of Asia. It was introduced to Australia, North America including Canada.

引證標本

Nantou Hsien: Shin-yi Hsiang. Lu-lin Shan, M.-J. Jung x052404, x052407, x052408, x052412 (NCKU); Dong-Pu Hostel, M.-J. Jung x060602, x060606, x060607 (NCKU).

參考文獻

• Ming-Jer Jung, Tian-Shung Wu and Chang-Sheng Kuoh, Taiwania 51(1): 27. 2006.