宽叶秦岭藤Biondia hemsleyana (Warb.) Tsiang
宽叶秦岭藤Biondia hemsleyana (Warb.) Tsiang
2.宽叶秦岭藤（中国高等植物图鉴）图版146
Biondia hemsleyana (Warb.) Tsiang in Sunyatsenia 6: 124, fig. 11. 1941;中国高等植物图鉴, 3: 490, 图4934. 1974. ——Gongronema hemsleyana Warb. in Fedde, Rep. Sp. Nov. 3: 341. 1907.
柔弱缠绕藤本；茎直径约2毫米，节间长8-9厘米；枝、叶柄、花序梗和花梗均被单列短柔毛。叶纸质，狭披针形，长5-9厘米，宽10-15毫米，两端短渐尖，边缘略为反卷；中脉在叶面凹陷，被短柔毛，在叶背凸起，侧脉不明显；叶柄长5-7毫米，顶端上面有丛生腺体。花序腋生，长3-4厘米，着花5-7朵；花萼5深裂，裂片镊合状排列，卵形，花萼内面基部无腺体：花冠白色，钟状，直径4毫米，顶端短5裂，裂片宽三角形，比花冠筒短；副花冠由5个三角形小齿组成，着生于合蕊冠基部，极短；合蕊柱近四方形；花药端部有圆形薄膜片；花粉块圆球状，下垂；子房无毛，柱头盘状五角形，端部扁平。蓇葖线状披针形，长5-6厘米，直径3-5毫米，苍白色，有条纹；种子卵状长圆形，长5毫米，宽2毫米，顶端具白色绢质种毛；种毛长约2厘米。花期4-9月，果期10-12月。
产于四川。生长于海拔1400-2000米山地杂林中。模式标本采自四川。
《Flora of China》 Vol. 16 (1995)
Biondia hemsleyana (Warburg) Tsiang
宽叶秦岭藤 kuan ye qin ling teng
Gongronema hemsleyana Warburg in Schlechter & Warburg, Repert. Spec. Nov. Regni Veg. 3: 341. 1907.
Lianas to 2 m. Internodes glabrous. Petiole 5-7 mm, adaxially pubescent; leaf blade narrowly lanceolate, 5-9 × 1-1.5 cm, short acuminate or acute at both ends, margin subrevolute; midvein pubescent and elevated abaxially, lateral veins obscure. Inflorescences sometimes branched at base to form small groups; cymes umbel-like, up to 7-flowered; peduncle to 1 cm, sparsely puberulent. Pedicel to 9 mm, sparsely puberulent. Sepals ovate, ca. 1.5 mm, without basal glands. Corolla white, broadly cylindric, to 4.5 mm; lobes broadly triangular, ca. 0.5 mm. Corona ringlike, rim 5-toothed. Anther apex rounded; pollinia globose. Follicles linear-lanceolate, 5-6 cm × 3-5 mm. Seeds ovate-oblong, ca. 5 × 2 mm; coma ca. 2 cm. Fl. Apr-Sep, fr. Oct-Dec.
* Mixed woods; 1400-2000 m. Sichuan.
别名：青龙藤;寸金藤;
科名：萝藦科 Asclepiadaceae
属名：秦岭藤属 Biondia
2.宽叶秦岭藤（中国高等植物图鉴）图版146
Biondia hemsleyana (Warb.) Tsiang in Sunyatsenia 6: 124, fig. 11. 1941;中国高等植物图鉴, 3: 490, 图4934. 1974. ——Gongronema hemsleyana Warb. in Fedde, Rep. Sp. Nov. 3: 341. 1907.
柔弱缠绕藤本；茎直径约2毫米，节间长8-9厘米；枝、叶柄、花序梗和花梗均被单列短柔毛。叶纸质，狭披针形，长5-9厘米，宽10-15毫米，两端短渐尖，边缘略为反卷；中脉在叶面凹陷，被短柔毛，在叶背凸起，侧脉不明显；叶柄长5-7毫米，顶端上面有丛生腺体。花序腋生，长3-4厘米，着花5-7朵；花萼5深裂，裂片镊合状排列，卵形，花萼内面基部无腺体：花冠白色，钟状，直径4毫米，顶端短5裂，裂片宽三角形，比花冠筒短；副花冠由5个三角形小齿组成，着生于合蕊冠基部，极短；合蕊柱近四方形；花药端部有圆形薄膜片；花粉块圆球状，下垂；子房无毛，柱头盘状五角形，端部扁平。蓇葖线状披针形，长5-6厘米，直径3-5毫米，苍白色，有条纹；种子卵状长圆形，长5毫米，宽2毫米，顶端具白色绢质种毛；种毛长约2厘米。花期4-9月，果期10-12月。
产于四川。生长于海拔1400-2000米山地杂林中。模式标本采自四川。
《Flora of China》 Vol. 16 (1995)
Biondia hemsleyana (Warburg) Tsiang
宽叶秦岭藤 kuan ye qin ling teng
Gongronema hemsleyana Warburg in Schlechter & Warburg, Repert. Spec. Nov. Regni Veg. 3: 341. 1907.
Lianas to 2 m. Internodes glabrous. Petiole 5-7 mm, adaxially pubescent; leaf blade narrowly lanceolate, 5-9 × 1-1.5 cm, short acuminate or acute at both ends, margin subrevolute; midvein pubescent and elevated abaxially, lateral veins obscure. Inflorescences sometimes branched at base to form small groups; cymes umbel-like, up to 7-flowered; peduncle to 1 cm, sparsely puberulent. Pedicel to 9 mm, sparsely puberulent. Sepals ovate, ca. 1.5 mm, without basal glands. Corolla white, broadly cylindric, to 4.5 mm; lobes broadly triangular, ca. 0.5 mm. Corona ringlike, rim 5-toothed. Anther apex rounded; pollinia globose. Follicles linear-lanceolate, 5-6 cm × 3-5 mm. Seeds ovate-oblong, ca. 5 × 2 mm; coma ca. 2 cm. Fl. Apr-Sep, fr. Oct-Dec.
* Mixed woods; 1400-2000 m. Sichuan.