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| 黄翅莎草 |
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科中文名 莎草科 科拉丁名 Cyperaceae 属中文名 莎草属 属拉丁名 Cyperus 种中文名 黄翅莎草 种拉丁名 Cyperus elatus L. |
黄翅莎草(huáng chì suō cǎo)，学名 Cyperus elatus Linnaeus，是莎草科、莎草属植物，主要分布于中国海南和印尼。 [1]
形态特征
Perennials. Rhizomes short, slightly thick, hardened. Culms laxly caespitose, to 3 m tall, stout, smooth, basally subterete, apically 3-angled. Leaves basal, nearly as long as culm; sheath purple; leaf blade 0.8-1.2 cm wide, flat, subleathery, midvein and margin scabrous.
Involucral bracts 5-8, leaflike, shorter to longer than inflorescence. Inflorescence a decompound anthela; rays 4-10, to 25 cm, unequal in length, each with 4-7 raylets; raylets usually to 8 cm, apex with 3-5 spikes.
Spikes suberect to obliquely spreading, cylindric, 3-6 × 0.8-1.2 cm, with many spikelets. Spikelets obliquely spreading to suberect, linear, 4-7 × ca. 1 mm, subterete to obscurely quadrate, 10-14-flowered; rachilla wings yellow, lanceolate, easily deciduous.
Glumes yellowish to golden yellow on both surfaces but middle green, densely imbricate, oblong to elliptic, ca. 1.5 mm, 3-5-veined, apex mucronate.
Stamens 3; anthers oblong, ca. 1.5 mm; connective prominent and subulate beyond anther apex, prominent part ca. 1/3 as long as anther, apex setose.
Style slender; stigmas 3. Nutlet dark gray at maturity, oblong-ellipsoid, ca. 1/2 as long as subtending glume, densely puncticulate. Fl. Jun-Aug.
Pond and stream margins; near sea level to 1500 m. Hainan, Yunnan [Bangladesh, Cambodia, India, Indonesia, Laos, Malaysia, Papua New Guinea, Philippines, Thailand, Vietnam].
基本信息
门中文名 被子植物门 门英文名 Angiospermae 纲中文名 双子叶植物纲
纲英文名 Dicotyledoneae 目中文名 罂粟目 目英文名 Papaverales
科中文名 莎草科 科拉丁名 Cyperaceae 属中文名 莎草属 属拉丁名 Cyperus 种中文名 黄翅莎草 种拉丁名 Cyperus elatus L.
生境 本种没有生境资料 是否中国特有 否 是否引种栽培 人工引种栽培
国外分布 印度尼西亚 国内分布 海南省
标本鉴定信息
学名 Cyperus elatus L. 中文名 黄翅莎草 鉴定人 Kern 鉴定时间
采集信息
采集人 Buwalda 采集号 6842 采集时间 采集地 海拔 0 生境 习性 物候期 有花无果