生活型

herb

形態特徵

• Herbs perennial, tufted or with long rhizomes. Culms to 40 cm tall, ascending to erect, with 3 or 4 nodes. Nodes covered by leaf sheaths, and cauline leaves usually withered at anthesis.
• Leaf sheaths glabrous; ligules 1-2 mm long, membranous, truncate, margin ciliate; blades 10-25 cm long, apex acute.
• Panicle contracted to spreading, 4-10 cm long; spikelets with 1-8 florets, reduced florets occasionally present. Lower glume lanceolate, 2-2.5 mm long, 1-veined, apex purplish or not; upper glume ovate, longer than lower glume, 2-3 mm long, 3-veined, apex purplish or not. Callus webbed. Lemma ovate, 2.5-3.5 mm long, margin membranous, upper margin usually purplish, 5-veined, lower part of central and marginal veins glabrous, obscure to pubescent, middle veins glabrous. Palea 2-3 mm long, membranous, apex acuminate, with 2 shortly hispid keels. Lodicules 2, ca. 1 mm long, membranous. Stamens 3; anther 1-2 mm long; filament ca. 4 mm long.

分布

• 世界 : is native in Europe, and naturalized in temperate region of Asia and North America.

引證標本

Nantou Hsien: Jenai Hsiang, Shimen Shan, Jul. 27 2005, Jung M.-J. & Lin J.-U x072710 (NCKU), x072711 (NCKU), x072712 (NCKU); Shin-yi Hsiang, Lu-lin Shan, May 24 2005, Jung M.-J. x052402 (NCKU), x052403 (NCKU), x052413 (NCKU), Sher-Shan, May 24 2005, Jung M.-J. x052404 (NCKU), x052405 (NCKU).

引用文獻

• Ming-Jer Jung, Robert J. Soreng, and Chang-Sheng Kuoh, Taiwania 51(3): 240-248. 2006.