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夜来香Telosma cordata

时间:2013-07-16 14:42来源:未知 作者:徐晔春 点击:
中文名 ( Chinese Name ): 夜来香 学名 ( Scientific Name ): Telosma cordata (Burm. f.) Merr. 英文名 ( English Common Name ): 别名 ( Chinese Common Name ): 夜香花 异名 ( Synonym ): Cynanchum odoratissimum Lour.;Pergularia mino






中文名Chinese Name):夜来香
学名Scientific Name):Telosma cordata (Burm. f.) Merr.
英文名English Common Name):
别名Chinese Common Name):夜香花
异名Synonym):Cynanchum odoratissimum Lour.;Pergularia minor Andrews;Oxystelma ovatum P. T. Li et S. Z. Huang;Telosma minor (Andrews) Craib;Telosma odoratissima (Lour.) Coville
科属Family & Genus):萝藦科(Asclepiadaceae)夜来香属
形态特征Description):柔弱藤状灌木;小枝被柔毛,黄绿色,老枝灰褐色,渐无毛,略具有皮孔。叶膜质,卵状长圆形至宽卵形,长6.5-9.5厘米,宽4-8厘米,顶端短渐尖,基部心形;叶脉上被微毛;基脉3-5条,侧脉每边约6条,小脉网状;叶柄长1.5-5厘米,被微毛或脱落,顶端具丛生3-5个小腺体。伞形状聚伞花序腋生,着花多达30朵;花序梗长5-15毫米,被微毛,花梗长1-1.5厘米,被微毛;花芳香,夜间更盛;花萼裂片长圆状披针形,外面被微毛,花萼内面基部具有5个小腺体;花冠黄绿色,高脚碟状,花冠筒圆筒形,喉部被长柔毛,裂片长圆形,长6毫米,宽3毫米,具缘毛,干时不折皱,向右覆盖;副花冠5片,膜质,着生于合蕊冠上,腹部与花药粘生,下部卵形,顶端舌状渐尖,背部凸起有凹刻;花药顶端具内弯的膜片;花粉块长圆形,直立;子房无毛,心皮离生,每室有胚珠多个,花柱短柱状,柱头头状,基部五棱。蓇葖披针形,长7-10厘米,渐尖,外果皮厚,无毛;种子宽卵形,长约8毫米,顶端具白色绢质种毛。花期5-8月,极少结果。
分布(Distribution):产华南地区,生于山坡灌木丛中。
用途(Use):花芳香,尤以夜间更盛,常栽培供观赏。华南地区有取其花与肉类煎炒作馔。花可蒸香油。花、叶可药用,有清肝、明目、去翳之效,华南地区民间有用作治结膜炎、疳积上眼症等。
引自中国植物志英文版
FOC Vol. 16 Page 241
1. Telosma cordata (N. L. Burman) Merrill, Philipp. J. Sci. 19: 372. 1921.
夜来香 ye lai xiang| Asclepiadaceae  | Telosma
Asclepias cordata N. L. Burman, Fl. Indica 72, fig. 2. 1768; Cynanchum odoratissimum Loureiro; Oxystelma ovatum P. T. Li & S. Z. Huang; Pergularia minor Andrews; P. odoratissima (Loureiro) Smith; Telosma minor (Andrews) Craib; T. odoratissima (Loureiro) Coville.
Stems 1-10 m, yellowish green, pubescent when new, those of previous year pale gray, glabrescent, usually sparsely lenticellate. Petiole 1.5-5 cm; leaf blade ovate, 4-12 × 3-10 cm, base deeply cordate with narrow sinus, apex acuminate; basal veins 3, lateral veins to 6 pairs. Cymes umbel-like, 15-30-flowered; peduncle 0.5-1.5 cm, puberulent. Sepals oblong-lanceolate, puberulent. Corolla yellowish green; tube 6-10 × 4-6 mm, puberulent outside, pilose or glabrous with pilose throat inside; lobes oblong, 6-12 × 3-6 mm, ciliate. Corona lobes slightly fleshy, basal part ovate, apex acuminate, often notched to deeply lobed, internal appendage often longer than lobe proper. Pollinia oblong or reniform. Stigma head capitate. Follicles lanceolate in outline, 7-13 × 2-3.5 cm, glabrous, somewhat obtusely 4-angled. Seeds broadly ovate, ca. 1 × 1 cm, flat, apex truncate, margin membranous; coma 3-4 cm. Fl. May-Oct, fr. Oct-Dec. 2n = 22.
Open woods, bushland. Guangdong, Guangxi; cultivated elsewhere in S China [India, Kashmir, Myanmar, Pakistan, Vietnam; Europe, North and South America].
The flowers are very fragrant and yield perfumed oil. They are used in cooking and medicinally to treat conjunctivitis.
Material from outside China varies greatly in corolla size and shape and, to a lesser extent, in leaf shape. It is not clear whether a species complex or a single polymorphic species, possibly including the two following species, is involved.
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