变色白前Cynanchum versicolor Bunge
变色白前Cynanchum versicolor Bunge
33.变色白前（东北植物检索表）白龙须、白马尾（北京）；半蔓白薇（东北药用植物原色图志）；白花牛皮消（中国药用植物图鉴）；蔓生白薇（俗称）图版128
Cynanchum versicolor Bunge in Mem. Acad. Sci. St. Petersb. Sav. Etrang. 2: 118, (Enum. Pl. China Bor.). 1832; G. Don, Gen. Syst. 4: 155. 1837; Hemsl. in Journ. Linn. Soc. Bot. 26: 109. 1889; Loes. in Engl. Bot. Jahrb. 34, Beibl. 75: 60 (Fl. Kiautchou). 1904; Kitagawa, Lin. Fl. Mansh. 364. 1939;中国高等植物图鉴, 3: 482, 图4917. 1974. ——Vincetoxicum versicolor Decne. in DC. Prodr. 8: 524. 1844: Maxim. in Bull. Acad. Sci. St. Petersb. 23: 364. 1877. ——Vincetoxicum mandshuricum Hance in Ann. Soc. Nat. 5 ser. 5: 227. 1866; Maxim. in Bull. Acad. Sci. St. Petersb. 23: 363. 1877. ——Cynanchum mandshuricum Hemsl. in Journ. Linn. Soc. Bot. 26: 107 1889.
半灌木；茎上部缠绕，下部直立，全株被绒毛。叶对生，纸质，宽卵形或椭圆形，长7-10厘米，宽3-6厘米，顶端锐尖，基部圆形或近心形，两面被黄色绒毛，边具绿毛；侧脉6-8对。伞形状聚伞花序腋生，近无总花梗，着花10余朵；花序梗被绒毛，长仅1毫米，稀达10毫米；花萼外面被柔毛，内面基部5枚腺体极小，裂片狭披针形，渐尖；花冠初呈黄白色，渐变为黑紫色，枯干时呈暗褐色，钟状辐形；副花冠极低，比合蕊冠为短，裂片三角形；花药近菱状四方形；花粉块每室1个，长圆形，下垂；柱头略为凸起，顶端不明显2裂。蓇葖单生，宽披针形，长5厘米，直径1厘米，向端部渐尖；种子宽卵形，暗褐色，长5毫米，宽3毫米；种毛白色绢质，长2厘米。花期5-8月，果期7-9月。
产于吉林、辽宁、河北、河南、四川、山东、江苏和浙江等省。生长于海拔100-500米的花岗岩石山上的灌木丛中及溪流旁。模式标本采自中国北部。
根和根茎可药用，能解热利尿，可治肺结核的虚痨热，浮肿、淋痛等。茎皮纤维可作造纸原料；根含淀粉，并可提制芳香油。
《Flora of China》 Vol. 16 (1995)
Cynanchum versicolor Bunge
变色白前 bian se bai qian
Cynanchum mandshuricum (Hance) Hemsley; Vincetoxicum mandshuricum Hance; V. versicolor (Bunge) Decaisne.
Plants tomentose or pubescent throughout. Stems to 2 m, lower part erect with larger and broader leaves, upper fertile part twining with smaller and narrower leaves. Petiole 3-15 mm; lower leaf blades broadly ovate or elliptic, 7-10 × 3-6 cm, papery, base rounded or subcordate, ciliate; lateral veins 6-8 pairs. Inflorescences umbel-like, up to 12-flowered; peduncle 0-10 mm, tomentose. Pedicel 3-5 mm. Sepals linear-lanceolate, 2-3 × ca. 0.5 mm; basal glands 5. Corolla yellow-white to dark purple, rotate to campanulate; tube ca. 0.5 mm; lobes ovate-triangular, ca. 2.5 × 2 mm, pubescent. Corona shorter than gynostegium; lobes triangular, fleshy, somewhat laterally compressed, adnate to anthers. Anthers rhomboid, appendages rounded; pollinia ellipsoid. Stigma head slightly convex. Follicles broadly lanceolate in outline, 4-5 cm × 8-10 mm. Seeds ovate, ca. 5 × 3 mm; coma ca. 2 cm. Fl. May-Aug, fr. Jul-Nov. 2n = 22*.
* Thickets, riversides; 0-800 m. Hebei, Henan, Hubei, Hunan, Jiangsu, Jilin, Liaoning, Shandong, Sichuan, Zhejiang
The roots and rhizomes are used as diuretic and for the treatment of pulmonary tuberculosis, edema, and gonorrhea.
别名：白花牛皮消;变色白薇;瓜蒌鞭子;半蔓生白前;瓜拉瓢;半蔓白薇;白薇;白龙须;老犍子夹;爬山甲;白马尾;知微老;羊奶子;蔓生白微;蔓白薇;苦枝子;结巴子瓜;山龙瓜;蔓生白薇;蔓生白前;老鸹瓢根;
科名：萝藦科 Asclepiadaceae
属名：鹅绒藤属 Cynanchum
33.变色白前（东北植物检索表）白龙须、白马尾（北京）；半蔓白薇（东北药用植物原色图志）；白花牛皮消（中国药用植物图鉴）；蔓生白薇（俗称）图版128
Cynanchum versicolor Bunge in Mem. Acad. Sci. St. Petersb. Sav. Etrang. 2: 118, (Enum. Pl. China Bor.). 1832; G. Don, Gen. Syst. 4: 155. 1837; Hemsl. in Journ. Linn. Soc. Bot. 26: 109. 1889; Loes. in Engl. Bot. Jahrb. 34, Beibl. 75: 60 (Fl. Kiautchou). 1904; Kitagawa, Lin. Fl. Mansh. 364. 1939;中国高等植物图鉴, 3: 482, 图4917. 1974. ——Vincetoxicum versicolor Decne. in DC. Prodr. 8: 524. 1844: Maxim. in Bull. Acad. Sci. St. Petersb. 23: 364. 1877. ——Vincetoxicum mandshuricum Hance in Ann. Soc. Nat. 5 ser. 5: 227. 1866; Maxim. in Bull. Acad. Sci. St. Petersb. 23: 363. 1877. ——Cynanchum mandshuricum Hemsl. in Journ. Linn. Soc. Bot. 26: 107 1889.
半灌木；茎上部缠绕，下部直立，全株被绒毛。叶对生，纸质，宽卵形或椭圆形，长7-10厘米，宽3-6厘米，顶端锐尖，基部圆形或近心形，两面被黄色绒毛，边具绿毛；侧脉6-8对。伞形状聚伞花序腋生，近无总花梗，着花10余朵；花序梗被绒毛，长仅1毫米，稀达10毫米；花萼外面被柔毛，内面基部5枚腺体极小，裂片狭披针形，渐尖；花冠初呈黄白色，渐变为黑紫色，枯干时呈暗褐色，钟状辐形；副花冠极低，比合蕊冠为短，裂片三角形；花药近菱状四方形；花粉块每室1个，长圆形，下垂；柱头略为凸起，顶端不明显2裂。蓇葖单生，宽披针形，长5厘米，直径1厘米，向端部渐尖；种子宽卵形，暗褐色，长5毫米，宽3毫米；种毛白色绢质，长2厘米。花期5-8月，果期7-9月。
产于吉林、辽宁、河北、河南、四川、山东、江苏和浙江等省。生长于海拔100-500米的花岗岩石山上的灌木丛中及溪流旁。模式标本采自中国北部。
根和根茎可药用，能解热利尿，可治肺结核的虚痨热，浮肿、淋痛等。茎皮纤维可作造纸原料；根含淀粉，并可提制芳香油。
《Flora of China》 Vol. 16 (1995)
Cynanchum versicolor Bunge
变色白前 bian se bai qian
Cynanchum mandshuricum (Hance) Hemsley; Vincetoxicum mandshuricum Hance; V. versicolor (Bunge) Decaisne.
Plants tomentose or pubescent throughout. Stems to 2 m, lower part erect with larger and broader leaves, upper fertile part twining with smaller and narrower leaves. Petiole 3-15 mm; lower leaf blades broadly ovate or elliptic, 7-10 × 3-6 cm, papery, base rounded or subcordate, ciliate; lateral veins 6-8 pairs. Inflorescences umbel-like, up to 12-flowered; peduncle 0-10 mm, tomentose. Pedicel 3-5 mm. Sepals linear-lanceolate, 2-3 × ca. 0.5 mm; basal glands 5. Corolla yellow-white to dark purple, rotate to campanulate; tube ca. 0.5 mm; lobes ovate-triangular, ca. 2.5 × 2 mm, pubescent. Corona shorter than gynostegium; lobes triangular, fleshy, somewhat laterally compressed, adnate to anthers. Anthers rhomboid, appendages rounded; pollinia ellipsoid. Stigma head slightly convex. Follicles broadly lanceolate in outline, 4-5 cm × 8-10 mm. Seeds ovate, ca. 5 × 3 mm; coma ca. 2 cm. Fl. May-Aug, fr. Jul-Nov. 2n = 22*.
* Thickets, riversides; 0-800 m. Hebei, Henan, Hubei, Hunan, Jiangsu, Jilin, Liaoning, Shandong, Sichuan, Zhejiang
The roots and rhizomes are used as diuretic and for the treatment of pulmonary tuberculosis, edema, and gonorrhea.