须花藤Genianthus laurifolius (Roxb.) Hook. f.
须花藤Genianthus laurifolius (Roxb.) Hook. f.
须花藤（中国高等植物图鉴）图版101
Genianthus laurifolius (Roxb.) Hook. f. Fl. Brit. Ind. 4: 16. 1883: Cost. in Lec. et Humb. Fl. Gen. Indo-Chine 4: 45. 1912; Tsiang in Sunyatsenia 4: 62, fig. 17. 1939;中国高等植物图鉴, 3: 467, 图4887, 1974. ——Asclepias laurifolius Roxb. Fl. Ind. 2: 49, fig. 6 (18-22). 1832.
木质藤本，具乳汁；茎具显著突起的皮孔，除花序外全株无毛。叶宽椭圆形，长6-10厘米，宽3-6厘米；侧脉每边8-10条；叶柄长1.2-3厘米，顶端上面具丛生小腺体。聚伞花序腋生，多数分枝成两歧状，着花多朵；总花梗被锈色绒毛；花萼外面被锈色疏柔毛，内面基部具腺体；花冠淡黄色，辐状，裂片长圆形，镊合状排列，内面被长柔；副花冠5裂，贴生于合蕊冠上，裂片三角状长圆形，顶端渐尖；花粉块每室2个，近圆球形，直立；柱头膨大成纺锤状。蓇葖双生，圆筒形，长约12厘米，直径1厘米，棕绿色，外果皮有明显的颗粒状突起；种子长圆形，长约1.5厘米，暗褐色，顶端具白色绢质种毛；种毛长约5厘米。花期1-5月，果期8月-翌年1月。
产于云南南部。生长于海拔500-1000米山地杂林中。分布于锡金、印度、泰国及越南、老挝、柬埔寨。模式标本采自锡金。
《Flora of China》 Vol. 16 (1995)
Genianthus bicoronatus Klackenberg
须花藤 xu hua teng
Lianas to 10 m, glabrous except for inflorescences. Stems lenticellate. Petiole 1-3(-4) cm; leaf blade broadly elliptic, 6-10(-13) × 3-6(-8) cm, base rounded, apex acute; lateral veins 8-10 pairs, widely patent. Cymes paniculate, dichotomous, shorter than leaves, rusty pubescent. Sepals ovate, 1.1-1.6 × 0.8-1.2 mm, rusty puberulent outside. Corolla yellowish orange with a violet center; tube 0.5-1 mm; lobes oblong, 1.8-2.3 × 1-1.5 mm, glabrous outside, villous inside. Corona lobes triangular-oblong, with a distinct slender adaxial tooth near apex. Pollinia subglobose, erect. Stigma head capitate to peltate. Follicles lanceolate, 9-12 cm × 5-10 mm, cylindric. Seeds oblong, brown, ca. 1.5 cm; coma to 5 cm. Fl. Jan-May, fr. Aug-Dec.
Mixed woods; 500-1000 m. S Yunnan [Myanmar, Thailand].
别名：须瓣藤
科名：萝藦科 Asclepiadaceae
属名：须花藤属 Genianthus
须花藤（中国高等植物图鉴）图版101
Genianthus laurifolius (Roxb.) Hook. f. Fl. Brit. Ind. 4: 16. 1883: Cost. in Lec. et Humb. Fl. Gen. Indo-Chine 4: 45. 1912; Tsiang in Sunyatsenia 4: 62, fig. 17. 1939;中国高等植物图鉴, 3: 467, 图4887, 1974. ——Asclepias laurifolius Roxb. Fl. Ind. 2: 49, fig. 6 (18-22). 1832.
木质藤本，具乳汁；茎具显著突起的皮孔，除花序外全株无毛。叶宽椭圆形，长6-10厘米，宽3-6厘米；侧脉每边8-10条；叶柄长1.2-3厘米，顶端上面具丛生小腺体。聚伞花序腋生，多数分枝成两歧状，着花多朵；总花梗被锈色绒毛；花萼外面被锈色疏柔毛，内面基部具腺体；花冠淡黄色，辐状，裂片长圆形，镊合状排列，内面被长柔；副花冠5裂，贴生于合蕊冠上，裂片三角状长圆形，顶端渐尖；花粉块每室2个，近圆球形，直立；柱头膨大成纺锤状。蓇葖双生，圆筒形，长约12厘米，直径1厘米，棕绿色，外果皮有明显的颗粒状突起；种子长圆形，长约1.5厘米，暗褐色，顶端具白色绢质种毛；种毛长约5厘米。花期1-5月，果期8月-翌年1月。
产于云南南部。生长于海拔500-1000米山地杂林中。分布于锡金、印度、泰国及越南、老挝、柬埔寨。模式标本采自锡金。
《Flora of China》 Vol. 16 (1995)
Genianthus bicoronatus Klackenberg
须花藤 xu hua teng
Lianas to 10 m, glabrous except for inflorescences. Stems lenticellate. Petiole 1-3(-4) cm; leaf blade broadly elliptic, 6-10(-13) × 3-6(-8) cm, base rounded, apex acute; lateral veins 8-10 pairs, widely patent. Cymes paniculate, dichotomous, shorter than leaves, rusty pubescent. Sepals ovate, 1.1-1.6 × 0.8-1.2 mm, rusty puberulent outside. Corolla yellowish orange with a violet center; tube 0.5-1 mm; lobes oblong, 1.8-2.3 × 1-1.5 mm, glabrous outside, villous inside. Corona lobes triangular-oblong, with a distinct slender adaxial tooth near apex. Pollinia subglobose, erect. Stigma head capitate to peltate. Follicles lanceolate, 9-12 cm × 5-10 mm, cylindric. Seeds oblong, brown, ca. 1.5 cm; coma to 5 cm. Fl. Jan-May, fr. Aug-Dec.
Mixed woods; 500-1000 m. S Yunnan [Myanmar, Thailand].