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Dinghushan | Family List | Poaceae | Lophatherum

Lophatherum gracile Brongn.


Description from Flora of China

Acroelytrum japonicum Steudel; Lophatherum annulatum Franchet & Savatier; L. elatum Zollinger & Moritzi; L. gracile var. elatum (Zollinger & Moritzi) Hackel; L. gracile var. pilo-sulum (Steudel) Hackel; L. humile Miquel; L. japonicum (Steudel) Steudel; L. lehmannii Nees ex Steudel; L. multiflorum Steudel; L. pilosulum Steudel; L. zeylanicum J. D. Hooker.

Culms tufted from a knotty rootstock, slender, stiffly erect, 60–150 cm tall. Leaf sheaths glabrous or pilose; leaf blades lanceolate, 5–30 × 2–5 cm, glabrous or with long hairs on both surfaces, base rounded to a 8–12 mm pseudopetiole; ligule brown, hispid on backside. Inflorescence 10–25 cm; racemes few, 5–10 cm, loosely spiculate, erect at first with appressed spikelets, later obliquely spreading and spikelets patent; pedicels short, thick. Spikelets narrowly lanceolate, subterete, 7–12 mm, base glabrous or hairy; glumes ovate, rounded on back, subleathery with membranous margins; lower glume 3–4.5 mm, 5-veined, glabrous or stiffly hairy near margins and apex; upper glume ca. 5 mm, 5–7-veined, glabrous; lemma of fertile floret oblong with straight back, not keeled, 6–7 mm; palea lanceolate, hyaline; awn of fertile and sterile lemmas 1.5–2 mm. Fl. and fr. Jun–Sep. 2n = 48*.

This species is used for medicinal purposes. The leaves are reminiscent of those of bamboos. The barbed awns catch in the fur of passing animals, effecting dispersal of the spikelet.

Shady slopes, roadsides and in moist forests. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Cambodia, India, Indonesia, Japan, S Korea, Malaysia, Myanmar, Nepal, New Guinea, Philippines,

Sri Lanka, Thailand, Vietnam; Australia (Queensland), Pacific Islands (Polynesia)].

生活型: 草本

栽培植物: 野生

特征: 多年生草本;

花期: 6--10

果期: 6--10

生境: 生于山坡林下或荫蔽处

用途: 药用,茎叶清热利尿,治热病、咽喉炎、尿少色黄等;根能催产

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 单子叶植物纲

中文别名: 山鸡米、碎骨子


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