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络石Trachelospermum jasminoides

时间:2013-07-16 09:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):络石 学名( Scientific Name ): Trachelospermum jasminoides (Lindl.) Lem. 英文名( English Common Name ): confederate jasmine 别名( Chinese Common Name ): 万字茉莉、石龙藤 异名( Synonym ): Trachelospermum






中文名(Chinese Name):络石
学名(Scientific Name):Trachelospermum jasminoides (Lindl.) Lem.
英文名(English Common Name):confederate jasmine
别名(Chinese Common Name):万字茉莉、石龙藤
异名(Synonym):Trachelospermum jasminoides var. heterophyllum Tsiang;Rhynchospermum jasminoides Lindl.;Parechites adnascens Hance;Trachelospermum jasminoides var. variegatum W. T. Mill.;Parechites thunbergii A.Gray;Trachelospermum adnascens Hance;Trachelospermum divaricatum Kanitz;Trachelospermum jasminoides var. pubescens Makino
科属(Family & Genus):夹竹桃科(Apocynaceae)络石属
形态特征(Description):常绿木质藤本,长达10米,具乳汁;茎赤褐色,圆柱形,有皮孔;小枝被黄色柔毛,老时渐无毛。叶革质或近革质,椭圆形至卵状椭圆形或宽倒卵形,长2-10厘米,宽1-4.5厘米,顶端锐尖至渐尖或钝,有时微凹或有小凸尖,基部渐狭至钝,叶面无毛,叶背被疏短柔毛,老渐无毛;叶面中脉微凹,侧脉扁平,叶背中脉凸起,侧脉每边6-12条,扁平或稍凸起;叶柄短,被短柔毛,老渐无毛;叶柄内和叶腋外腺体钻形,长约1毫米。二歧聚伞花序腋生或顶生,花多朵组成圆锥状,与叶等长或较长;花白色,芳香;总花梗长2-5厘米,被柔毛,老时渐无毛;苞片及小苞片狭披针形,长1-2毫米;花萼5深裂,裂片线状披针形,顶部反卷,长2-5毫米,外面被有长柔毛及缘毛,内面无毛,基部具10枚鳞片状腺体;花蕾顶端钝,花冠筒圆筒形,中部膨大,外面无毛,内面在喉部及雄蕊着生处被短柔毛,长5-10毫米,花冠裂片长5-10毫米,无毛;雄蕊着生在花冠筒中部,腹部粘生在柱头上,花药箭头状,基部具耳,隐藏在花喉内;花盘环状5裂与子房等长;子房由2个离生心皮组成,无毛,花柱圆柱状,柱头卵圆形,顶端全缘;每心皮有胚珠多颗,着生于2个并生的侧膜胎座上。蓇葖双生,叉开,无毛,线状披针形,向先端渐尖,长10-20厘米,宽3-10毫米;种子多颗,褐色,线形,长1.5-2厘米,直径约2毫米,顶端具白色绢质种毛;种毛长1.5-3厘米。花期3-7月,果期7-12月。
分布(Distribution):除东北、西藏、西北部分省区外,大部分省区均有分布,生于路边、林缘、溪边等处。日本、朝鲜及越南也有。
用途(Use):根、茎、叶、果实供药用,有祛风活络、利关节、止血、止痛消肿、清热解毒之效。
引自中国植物志英文版FOC Vol. 16 Page 167
Trachelospermum jasminoides (Lindley) Lemaire, Jard. Fleur. 1: t. 61. 1851.
络石 luo shi | Apocynaceae  | Trachelospermum
Rhynchospermum jasminoides Lindley, J. Hort. Soc. London 1: 74. 1846; Trachelospermum adnascens Hance; T. jasminoides var. heterophyllum Tsiang; T. jasminoides var. variegatum W. T. Miller.
Lianas woody, to 10 m. Stem brownish, lenticellate; young branchlets pubescent, glabrous when older. Petiole 3-12 mm long; leaf blade ovate to obovate or narrowly elliptic, 2-10 X 1-4.5 cm, papery, glabrous or sometimes sparsely pubescent abaxially. Cymes paniculate, terminal and axillary; peduncle 2-6 cm, puberulent to glabrous. Sepals narrowly oblong, 2-5 mm, spreading or reflexed, pubescent outside, ciliate, apex obtuse or acute. Corolla white, tube dilated at middle, 5-10 mm, throat glabrous or pilose facing stamens; lobes obovate, as long as tube. Stamens included, inserted at middle of corolla tube; ovary glabrous. Follicles linear, 10-25 cm X 3-10 mm. Seeds oblong, 1.5-2 cm, coma 1.5-4 cm. Fl. Mar-Aug, fr. Jun-Dec. 2n = 20.
Sunny edges of forests, brushwoods; 200-1300 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Japan, Korea, Vietnam].
A strong bast fiber obtained from the inner bark is used in making rope, sacks, and paper. The stem is used for the treatment of rheumatism and injury. The flowers yield perfumed oil. The whole plant is poisonous.
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