铁草鞋Hoya pottsii
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.
（责任编辑：徐晔春）
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.
（责任编辑：徐晔春）
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