生活型

herb

形態特徵

• Culms erect, to 1 m tall, 3-5-noded; prostrate at fruiting.
• Leaf sheath glabrous, ligule ca. 5 mm long, membranous, apex acuminate; blades 5-20 cm long. Inflorescence a panicle, effuse, asymmetrical, with 2-4 nodes, 12-30 cm long; pedicels 5-10 cm long, scabrous.
• Spikelet pedicellate, laterally compressed, with one floret. Lower glume ca. 3 mm long, one-veined, scabrous on vein, apex acuminate. Upper glume slightly shorter than lower glume, one-veined, scabrous on vein, apex acuminate. Rachilla ca. 0.3 mm long, hairy; callus bearded. Lemma elliptical to ovate, hairy, awn arising from middle, ca. 4 mm long, scabrous; column ca. 1.5 mm long. Palea nearly as long as lemma, ovate, membranous, 2-veined, apex bifid. Stamens 3, anthers ca. 0.3 mm long. Ovary ca. 0.2 mm long, glabrous; style persistent.
• Caryopsis obovate, ca. 1 mm long; embryo ca. 1/3 as long as caryopsis.

分布

• 台灣 : it occurs along Teng-chih Forestry Road, at middle elevations, Taoyuan Hsiang, Kaohsiung Hsien.
• 世界 : is native to Australia and Hawaii; and was introduced to Mexico; California, Ohio, South.

引證標本

Kaohsiung Hsien: Taoyuan Hsiang. Teng-chih Forestry Road, M.-J. Jung x041903, x041904, x041905, x041906, x041907, x041908, x041909 (NCKU).

參考文獻

• Ming-Jer Jung, Tian-Shung Wu and Chang-Sheng Kuoh, Taiwania 51(1): 25. 2006.