大理白前Cynanchum forrestii
中文名（Chinese Name）：大理白前
学名（Scientific Name）：Cynanchum forrestii Schltr.
英文名（English Common Name）：
别名（Chinese Common Name）：白薇、白龙须、蛇辣子
异名（Synonym）：Cynanchum balfourianum (Schltr.) Tsiang et Zhang Cynanchum muliense Tsiang Cynanchum forrestii var. stenolobum Tsiang et Zhang Cynanchum steppicola Hand.-Mazz. Cynanchum limprichtii Schltr. Cynanchum forrestii var. balfourianum Schltr. Vincetoxicum muliense (Tsiang) C. Y. Wu et D. Z. Li Vincetoxicum limprichtii (Schltr.) C. Y. Wu et D. Z. Li Vincetoxicum forrestii (Schltr.) C. Y. Wu et D. Z. Li Vincetoxicum forrestii var. stenolobum (Tsiang et H. D. Zhang) C. Y. Wu et D. Z. Li Vincetoxicum balfourianum (Schltr.) C. Y. Wu et D. Z. Li Vincetoxicum steppicola (Hand.-Mazz.) C. Y. Wu et D. Z. Li
科属（Family & Genus）：萝藦科Asclepiadaceae鹅绒藤属Cynanchum
形态特征（Description）：多年生直立草本，单茎，稀在近基部分枝，被有单列柔毛，上部密被柔毛。叶对生，薄纸质，宽卵形，长4-8厘米，宽1.5-4厘米，基部近心形或钝形，顶端急尖，近无毛或在脉上有微毛；侧脉5对。伞形状聚伞花序腋生或近顶生，着花10余朵；花长和直径约3毫米；花萼裂片披针形，先端急尖；花冠黄色、辐状，裂片卵状长圆形，有缘毛，其基部有柔毛；副花冠肉质，裂片三角形，与合蕊柱等长；花粉块每室1个，下垂；柱头略为隆起。蓇葖多数单生，稀双生，披针形，上尖下狭，无毛，长6厘米，直径8毫米；种子扁平；种毛长2厘米。花期4-7月，果期6-11月。
分布（Distribution）：产于西藏、甘肃、四川、贵州和云南等省区；分布在我国西南地区，南界约在北回归线附近，东南界约在昆明-昭通-奉节一线，北至甘肃南部。生长于海拔1000-3500米的高原或山地、灌木林缘、干旱草地或路边草地上，有时也有在林下或沟谷林下水边草地上。模式标本采自云南大理。
用途（Use）：根可药用，有清热散邪、生肌止痛之效。
引自中国植物志英文版：FOC Vol. 16 Page 218
Cynanchum forrestii Schlechter, Notes Roy. Bot. Gard. Edinburgh. 8: 15. 1913.
大理白前 da li bai qian| Asclepiadaceae | Cynanchum
Cynanchum forrestii
Credit: Harvard University Herbaria
Cynanchum balfourianum (Schlechter) Tsiang & Zhang; C. forrestii var. balfourianum Schlechter; C. forrestii var. stenolobum Tsiang & Zhang; C. limprichtii Schlechter; C. muliense Tsiang; C. steppicola Handel-Mazzetti; Vincetoxicum balfourianum (Schlechter) C. Y. Wu & D. Z. Li; V. forrestii (Schlechter) C. Y. Wu & D. Z. Li; V. forrestii var. stenolobum (Tsiang & Zhang) C. Y. Wu & D. Z. Li; V. limprichtii (Schlechter) C. Y. Wu & D. Z. Li; V. muliense (Tsiang) C. Y. Wu & D. Z. Li; V. steppicola (Handel-Mazzetti) C. Y. Wu & D. Z. Li.
Plants perennial. Rootstocks dense clusters of little-branched roots. Stems erect, often clustered, tips sometimes tending to twine, to 60 cm tall, usually unbranched, pubescent along 1 side, apical parts densely pubescent. Petiole 5-10 mm, puberulent; leaf blade broadly ovate to rarely elliptic-oblong, 2.5-8 × 1.5-4 cm, thin papery, glabrescent, base cuneate or obtuse to subcordate especially near base of plant, apex obtuse or acute; lateral veins 5-7 pairs, puberulent. Inflorescences extra-axillary or subterminal, umbel-like, shorter than leaves; peduncle 0-5 cm. Pedicel 5-8 mm. Sepals lanceolate or narrowly triangular, 1.5-2.5 × 0.5-0.8 mm, sometimes ciliate; basal glands 5, minute. Corolla yellow to brownish or purple; tube 1-2 mm; lobes rotate, ovate-oblong or oblong, to 3-7.5 × 1.5-2 mm, inside pubescent or puberulent except sometimes for lobes, outside glabrous or puberulent, margin sometimes ciliate. Corona deeply lobed; lobes triangular-ovate, fleshy, at least as long as gynostegium, apex blunt, sometimes extended and sharply incurved. Pollinia oblong; stigma head elevated, retuse. Follicles often pendent, lanceolate in outline, 5-9.6 × 0.7-1.2 cm, sometimes paired and diverging at ca. 90º. Seeds oblong, ca. 8 × 3-4 mm; coma 1-2 cm. Fl. Apr-Jul, fr. Jun-Nov.
* Alpine waste places, grass savanna, humid grasslands; 1000-5000 m. Gansu, Guizhou, Sichuan, Xizang, Yunnan
The roots are diuretic and are used to relieve pain.
（责任编辑：徐晔春）
学名（Scientific Name）：Cynanchum forrestii Schltr.
英文名（English Common Name）：
别名（Chinese Common Name）：白薇、白龙须、蛇辣子
异名（Synonym）：Cynanchum balfourianum (Schltr.) Tsiang et Zhang Cynanchum muliense Tsiang Cynanchum forrestii var. stenolobum Tsiang et Zhang Cynanchum steppicola Hand.-Mazz. Cynanchum limprichtii Schltr. Cynanchum forrestii var. balfourianum Schltr. Vincetoxicum muliense (Tsiang) C. Y. Wu et D. Z. Li Vincetoxicum limprichtii (Schltr.) C. Y. Wu et D. Z. Li Vincetoxicum forrestii (Schltr.) C. Y. Wu et D. Z. Li Vincetoxicum forrestii var. stenolobum (Tsiang et H. D. Zhang) C. Y. Wu et D. Z. Li Vincetoxicum balfourianum (Schltr.) C. Y. Wu et D. Z. Li Vincetoxicum steppicola (Hand.-Mazz.) C. Y. Wu et D. Z. Li
科属（Family & Genus）：萝藦科Asclepiadaceae鹅绒藤属Cynanchum
形态特征（Description）：多年生直立草本，单茎，稀在近基部分枝，被有单列柔毛，上部密被柔毛。叶对生，薄纸质，宽卵形，长4-8厘米，宽1.5-4厘米，基部近心形或钝形，顶端急尖，近无毛或在脉上有微毛；侧脉5对。伞形状聚伞花序腋生或近顶生，着花10余朵；花长和直径约3毫米；花萼裂片披针形，先端急尖；花冠黄色、辐状，裂片卵状长圆形，有缘毛，其基部有柔毛；副花冠肉质，裂片三角形，与合蕊柱等长；花粉块每室1个，下垂；柱头略为隆起。蓇葖多数单生，稀双生，披针形，上尖下狭，无毛，长6厘米，直径8毫米；种子扁平；种毛长2厘米。花期4-7月，果期6-11月。
分布（Distribution）：产于西藏、甘肃、四川、贵州和云南等省区；分布在我国西南地区，南界约在北回归线附近，东南界约在昆明-昭通-奉节一线，北至甘肃南部。生长于海拔1000-3500米的高原或山地、灌木林缘、干旱草地或路边草地上，有时也有在林下或沟谷林下水边草地上。模式标本采自云南大理。
用途（Use）：根可药用，有清热散邪、生肌止痛之效。
引自中国植物志英文版：FOC Vol. 16 Page 218
Cynanchum forrestii Schlechter, Notes Roy. Bot. Gard. Edinburgh. 8: 15. 1913.
大理白前 da li bai qian| Asclepiadaceae | Cynanchum
Cynanchum forrestii
Credit: Harvard University Herbaria
Cynanchum balfourianum (Schlechter) Tsiang & Zhang; C. forrestii var. balfourianum Schlechter; C. forrestii var. stenolobum Tsiang & Zhang; C. limprichtii Schlechter; C. muliense Tsiang; C. steppicola Handel-Mazzetti; Vincetoxicum balfourianum (Schlechter) C. Y. Wu & D. Z. Li; V. forrestii (Schlechter) C. Y. Wu & D. Z. Li; V. forrestii var. stenolobum (Tsiang & Zhang) C. Y. Wu & D. Z. Li; V. limprichtii (Schlechter) C. Y. Wu & D. Z. Li; V. muliense (Tsiang) C. Y. Wu & D. Z. Li; V. steppicola (Handel-Mazzetti) C. Y. Wu & D. Z. Li.
Plants perennial. Rootstocks dense clusters of little-branched roots. Stems erect, often clustered, tips sometimes tending to twine, to 60 cm tall, usually unbranched, pubescent along 1 side, apical parts densely pubescent. Petiole 5-10 mm, puberulent; leaf blade broadly ovate to rarely elliptic-oblong, 2.5-8 × 1.5-4 cm, thin papery, glabrescent, base cuneate or obtuse to subcordate especially near base of plant, apex obtuse or acute; lateral veins 5-7 pairs, puberulent. Inflorescences extra-axillary or subterminal, umbel-like, shorter than leaves; peduncle 0-5 cm. Pedicel 5-8 mm. Sepals lanceolate or narrowly triangular, 1.5-2.5 × 0.5-0.8 mm, sometimes ciliate; basal glands 5, minute. Corolla yellow to brownish or purple; tube 1-2 mm; lobes rotate, ovate-oblong or oblong, to 3-7.5 × 1.5-2 mm, inside pubescent or puberulent except sometimes for lobes, outside glabrous or puberulent, margin sometimes ciliate. Corona deeply lobed; lobes triangular-ovate, fleshy, at least as long as gynostegium, apex blunt, sometimes extended and sharply incurved. Pollinia oblong; stigma head elevated, retuse. Follicles often pendent, lanceolate in outline, 5-9.6 × 0.7-1.2 cm, sometimes paired and diverging at ca. 90º. Seeds oblong, ca. 8 × 3-4 mm; coma 1-2 cm. Fl. Apr-Jul, fr. Jun-Nov.
* Alpine waste places, grass savanna, humid grasslands; 1000-5000 m. Gansu, Guizhou, Sichuan, Xizang, Yunnan
The roots are diuretic and are used to relieve pain.
（责任编辑：徐晔春）
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