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Dinghushan | Family List | Poaceae | Hymenachne

Hymenachne assamica (Hook. f.) Hitchc.


Description from Flora of China

Panicum assamicum J. D. Hooker, Fl. Brit. India 7: 40. 1896 ["1897"].

Culms decumbent, 50–70 cm tall, ca. 5 mm in diam., nodes many, brown, glabrous. Leaf sheaths with one margin tuberculate-ciliate; leaf blades linear-lanceolate, 10–20 × 0.4–1.2 cm, a few setae at base above ligule, base rounded, apex acuminate; ligule 0.3–0.5 mm. Panicle narrow, dense, pale green, 8–18 × 1–3 cm; branches 1–4 cm, appressed to rachis with tightly clustered spikelets; rachis scabrous, narrowly winged; pedicels 0.2–0.8 mm, scabrous. Spikelets lanceolate, 3–3.2 × ca. 1 mm, veins scabrous toward apex, otherwise smooth, glumes and lower lemma not separated; lower glume broadly ovate, 1/3 spikelet length, 1–5-veined, acute; upper glume slightly shorter or as long as lower lemma, 5-veined, nearly smooth, sharply acute; lower lemma as long as spikelet, sharply acute; upper lemma ca. 2.5 mm, margins flat for most of their length or only toward apex, apex acute. Fl. and fr. Jul–Oct.

Streams. Guangdong, Guangxi, Hainan, Yunnan [NE India, Thailand].

生活型: 草本

栽培植物: 野生

特征: 多年生水生草本;

花期: 夏秋

果期: 夏秋

生境: 生于浅水中或水旁湿地

用途: 全株药用,治肺痨、湿热;又作牧草

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


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