马利筋Asclepias curassavica

马利筋Asclepias curassavica

马利筋Asclepias curassavica

马利筋Asclepias curassavica

马利筋Asclepias curassavica

中文名(Chinese Name):马利筋
学名(Scientific Name):Asclepias curassavica L.
英文名(English Common Name):bloodflower
别名(Chinese Common Name):莲生桂子、芳草花
异名(Synonym):Asclepias nivea curassavica (Linnaeus) Kuntze;Asclepias aurantiaca Salisb.;Asclepias bicolor Moench;Asclepias cubensis Wender.;Asclepias curassavica f. flaviflora Tawada;Asclepias curassavica var. concolor Krug & Urb.;Asclepias margaritacea Hoffmanns. ex Schult.;Asclepias nivea var. curassavica (L.) Kuntze
科属(Family & Genus):萝藦科(Asclepiadaceae)马利筋属
形态特征(Description):多年生直立草本,灌木状,高达80厘米,全株有白色乳汁;茎淡灰色,无毛或有微毛。叶膜质,披针形至椭圆状披针形,长6-14厘米,宽1-4厘米,顶端短渐尖或急尖,基部楔形而下延至叶柄,无毛或在脉上有微毛;侧脉每边约8条;叶柄长0.5-1厘米。聚伞花序顶生或腋生,着花10-20朵;花萼裂片披针形,被柔毛;花冠紫红色,裂片长圆形,长5毫米,宽3毫米,反折;副花冠生于合蕊冠上,5裂,黄色,匙形,有柄,内有舌状片;花粉块长圆形,下垂,着粉腺紫红色。蓇葖披针形,长6-10厘米,直径1-1.5厘米,两端渐尖;种子卵圆形,长约6毫米,宽3毫米,顶端具白色绢质种毛;种毛长2.5厘米。花期几乎全年,果期8-12月。
分布(Distribution):广东、广西、云南、贵州、四川、湖南、江西、福建、台湾等省区均有栽培,也有逸为野生和驯化。原产拉丁美洲的西印度群岛。
用途(Use):全株有毒,尤以乳汁毒性较强,含强心甙,称白微甙,可作药用,可除虚热利小便,调经活血、止痛、退热消炎散肿驱虫之效。
引自中国植物志英文版FOC Vol. 16 Page 203
Asclepias curassavica Linnaeus, Sp. Pl. 1: 215. 1753.
马利筋 ma li jin | Asclepiadaceae  | Asclepias
Plants to 1 m tall. Stems pale gray, puberulent to glabrous. Leaves opposite; petiole to 1 cm; leaf blade lanceolate or oblong-lanceolate, 6-15 × 1-4 cm, glabrous or abaxially puberulent along veins, base decurrent into petiole, apex acuminate or acute. Cymes up to as long as leaves, 10-20-flowered; peduncle 3.5-6 cm, pubescent. Pedicel 1.2-2.5 cm, pubescent. Sepals lanceolate, ca. 3 × 1 mm, pubescent. Corolla purple or red, 7-9 mm; lobes oblong, 5-8 × ca. 3 mm, reflexed. Corona lobes yellow or orange, 3.5-4 mm; gynostegium 2.5-3 mm. Follicles fusiform, 5-10 × 1-1.5 cm. Seeds ovate, 6-7 × ca. 3 mm; coma 2-4 cm. Fl. almost all year. 2n = 22.
Cultivated and naturalized in Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Qinghai, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [native of tropical America, widely introduced elsewhere]
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