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铁草鞋Hoya pottsii

时间:2013-11-11 13:14来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 铁草鞋 学名( Scientific Name ): Hoya pottsii Traill 英文名( English Common Name ): 别名( Chinese Common Name ): 三脉球兰 异名( Synonym ): Hoya pottsii var. angustifolia (Traill) Tsiang et P. T. Li Hoy
中文名(Chinese Name):铁草鞋
学名(Scientific Name):Hoya pottsii Traill
英文名(English Common Name):
别名(Chinese Common Name):三脉球兰
异名(Synonym):Hoya pottsii var. angustifolia (Traill) Tsiang et P. T. Li  Hoya obscurinervia Merr.  Hoya trinervis Traill
科属(Family & Genus):萝藦科Asclepiadaceae球兰属Hoya
形态特征(Description):附生攀援灌木,除花冠内面外,无毛。叶肉质,干后呈厚革质,卵圆形至卵圆状长圆形,先端急尖,基部圆形至近心形,长6.5-12厘米,宽3.5-5.5厘米;基脉3条,小脉微纤,不明显;叶柄肉质,顶端具有丛生小腺体。聚伞花序伞形状,腋生;花冠白色,心红色,直径1厘米,裂片宽卵形,外面无毛,内面具长柔毛。蓇葖线状长圆形,向顶端渐尖,长约11厘米,直径8毫米,外果皮有黑色斑点;种子线状长圆形,长约4毫米;种毛白色绢质,长3.5厘米。花期4-5月,果期8-10月。
分布(Distribution):产于云南、广西、广东和台湾等省区。生长于海拔500米以下的密林中,附生于大树上。
用途(Use):叶可药用,民间用来作接骨、散瘀消肿、拔脓生肌。
引自中国植物志英文版:FOC Vol. 16 Page 230   
Hoya pottsii Traill, Trans. Hort. Soc. London. 7: 25. 1830.
铁草鞋 san mai qiu lan | Asclepiadaceae  | Hoya
Hoya angustifolia Traill; H. obscurinervia Merrill; H. pottsii var. angustifolia (Traill) Tsiang & P. T. Li.
Plants glabrous except for corolla. Stems mostly climbing, to 4 m or more. Petiole 0.5-2 cm; leaf blade ovate-oblong to oblong-lanceolate, 6-12 × 3-6 cm, thin leathery when dry, base rounded, subcordate, acute, or cuneate, apex acute; basal veins 3, extending more than halfway along blade. Inflorescences extra-axillary, globose; peduncle (2-)5-10 cm. Pedicel 1-1.5 cm. Sepals ovate, ca. 1.5 × 0.8 mm. Corolla white with reddish center, up to 1 cm in diam., reflexed; lobes broadly ovate, glabrous outside, slightly villous inside. Corona lobes stellate spreading, outer angle acute, margin strongly reflexed to enclose a hollow space, inner angle acute, incumbent over stigma head. Follicles linear-oblong, ca. 11 cm × 8 mm. Seeds linear-oblong ca. 4 × 1 mm; coma ca. 3.5 cm. Fl. Apr-May, fr. Aug-Oct.
* Dense forests, on tree trunks or rocks; 0-500 m. Guangdong, Guangxi, Hainan, Taiwan, Yunnan
The leaves are used for the treatment of fractures and swellings and for draining off pus and promoting new growth.
 




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