大纽子花Vallaris indecora (Baill.) Tsiang et P. T. Li
大纽子花Vallaris indecora (Baill.) Tsiang et P. T. Li
2. 大纽子花（植物分类学报）图版47
Vallaris indecora (Baill.) Tsiang et P. T. Li in Acta Phytotax. Sinica 11: 375. 1973; 中国高等植物图鉴, 3: 440, 图4833. 1974. ——Beaumontia indecora Baill. in Bull. Soc. Linn. Paris 1: 759. 1888. ——V. grandiflora Hemsl. et Wils. in Kew Bull. 162. 1906; Tsiang in Sunyatsenia 2: 173. 1934; Hand. -Mazz. Symb. Sin. 7: 992. 1936. ——Parabeaumontia indecora Pichon in Bull. Mus. Hist. Nat. Paris Ser. 2, 20: 382. 1948.
攀援灌木，具乳汁；茎皮淡灰色，具皮孔。叶纸质，宽卵圆形或倒卵圆形，顶端渐尖，基部圆形，长9-12厘米，宽4-8厘米，具有透明的腺体，叶面无毛，叶背被短柔毛；侧脉每边约8条，在叶背略为凸起；叶柄长0.5厘米，被短柔毛。花序为腋生伞房状聚伞花序，通常着花3朵，稀达6朵；总花梗不分枝，长1-1.5厘米；花梗长1-2厘米，密被柔毛；小苞片长圆状披针形，长0.5-0.7厘米；花土黄色，花萼裂片长圆状卵圆形，长1-1.5厘米，被柔毛；花冠筒长8毫米，内外面均被短柔毛，冠簷展开，直径达4厘米，裂片圆形，顶端具细尖头，长0.7厘米，宽1-1.2厘米；花药伸出花喉之外，花丝短，背面被疏短柔毛，药隔基部背面具圆形腺体；子房和花柱被疏柔毛，柱头斜圆锥形，心皮离生，胚珠每室多颗；花盘杯状，顶端具缘毛。蓇葖2，平行，披针状圆柱形，顶端锐尖，暗灰色，长7-9厘米，直径约1厘米；种子黄褐色，线状长圆形，基部截形，长1.5厘米，直径2毫米，顶端具丝质种毛；种毛长2.2厘米。花期3-6月，果期秋季。
为我国特有种，产于四川、贵州、云南和广西。生于山地密林沟谷中。模式标本采自云南。
植株供药用，可治血吸虫病。
《Flora of China》 Vol. 16 (1995)
Vallaris indecora (Baillon) Tsiang & P. T. Li
大纽子花 da niu zi hua
Beaumontia indecora Baillon, Bull. Mens. Soc. Linn. Paris 1: 759. 1888; Parabeaumontia indecora (Baillon) Pichon; Vallaris grandiflora Hemsley & E. H. Wilson.
Shrubs trailing or scandent, to 6 m tall. Bark pale gray. Petiole 1-6 mm; leaf blade elliptic or obovate, 7-14 X 3-9 cm, base cuneate or rounded, pubescent, glabrescent, or glabrous on both surfaces; lateral veins 6-8 pairs. Cymes 3- or 4-flowered; peduncle 0.7-1.5 cm. Flowers fetid; pedicel 0.7-2 cm. Sepals oblong, 0.9-1.5 cm. Corolla pale yellow, tube 1.3-1.5 cm; limb 3-4 cm in diam., pubescent inside including throat; lobes mucronate at apex. Anthers and dorsal glands exserted from throat. Ovary and style pilose. Follicles narrowly ovoid, 6.5-14 X 1.5-3.5 cm. Seeds rhomboid or ellipsoid, ca. 2 cm, coma ca. 2.2 cm. Fl. Mar-Jun.
* Dense montane forests; 700-3000 m. Guangxi, Guizhou, Sichuan, Yunnan
All parts are used to treat worm diseases.
别名：糯米饭花;扣子花;
科名：夹竹桃科 Apocynaceae
属名：纽子花属 Vallaris
2. 大纽子花（植物分类学报）图版47
Vallaris indecora (Baill.) Tsiang et P. T. Li in Acta Phytotax. Sinica 11: 375. 1973; 中国高等植物图鉴, 3: 440, 图4833. 1974. ——Beaumontia indecora Baill. in Bull. Soc. Linn. Paris 1: 759. 1888. ——V. grandiflora Hemsl. et Wils. in Kew Bull. 162. 1906; Tsiang in Sunyatsenia 2: 173. 1934; Hand. -Mazz. Symb. Sin. 7: 992. 1936. ——Parabeaumontia indecora Pichon in Bull. Mus. Hist. Nat. Paris Ser. 2, 20: 382. 1948.
攀援灌木，具乳汁；茎皮淡灰色，具皮孔。叶纸质，宽卵圆形或倒卵圆形，顶端渐尖，基部圆形，长9-12厘米，宽4-8厘米，具有透明的腺体，叶面无毛，叶背被短柔毛；侧脉每边约8条，在叶背略为凸起；叶柄长0.5厘米，被短柔毛。花序为腋生伞房状聚伞花序，通常着花3朵，稀达6朵；总花梗不分枝，长1-1.5厘米；花梗长1-2厘米，密被柔毛；小苞片长圆状披针形，长0.5-0.7厘米；花土黄色，花萼裂片长圆状卵圆形，长1-1.5厘米，被柔毛；花冠筒长8毫米，内外面均被短柔毛，冠簷展开，直径达4厘米，裂片圆形，顶端具细尖头，长0.7厘米，宽1-1.2厘米；花药伸出花喉之外，花丝短，背面被疏短柔毛，药隔基部背面具圆形腺体；子房和花柱被疏柔毛，柱头斜圆锥形，心皮离生，胚珠每室多颗；花盘杯状，顶端具缘毛。蓇葖2，平行，披针状圆柱形，顶端锐尖，暗灰色，长7-9厘米，直径约1厘米；种子黄褐色，线状长圆形，基部截形，长1.5厘米，直径2毫米，顶端具丝质种毛；种毛长2.2厘米。花期3-6月，果期秋季。
为我国特有种，产于四川、贵州、云南和广西。生于山地密林沟谷中。模式标本采自云南。
植株供药用，可治血吸虫病。
《Flora of China》 Vol. 16 (1995)
Vallaris indecora (Baillon) Tsiang & P. T. Li
大纽子花 da niu zi hua
Beaumontia indecora Baillon, Bull. Mens. Soc. Linn. Paris 1: 759. 1888; Parabeaumontia indecora (Baillon) Pichon; Vallaris grandiflora Hemsley & E. H. Wilson.
Shrubs trailing or scandent, to 6 m tall. Bark pale gray. Petiole 1-6 mm; leaf blade elliptic or obovate, 7-14 X 3-9 cm, base cuneate or rounded, pubescent, glabrescent, or glabrous on both surfaces; lateral veins 6-8 pairs. Cymes 3- or 4-flowered; peduncle 0.7-1.5 cm. Flowers fetid; pedicel 0.7-2 cm. Sepals oblong, 0.9-1.5 cm. Corolla pale yellow, tube 1.3-1.5 cm; limb 3-4 cm in diam., pubescent inside including throat; lobes mucronate at apex. Anthers and dorsal glands exserted from throat. Ovary and style pilose. Follicles narrowly ovoid, 6.5-14 X 1.5-3.5 cm. Seeds rhomboid or ellipsoid, ca. 2 cm, coma ca. 2.2 cm. Fl. Mar-Jun.
* Dense montane forests; 700-3000 m. Guangxi, Guizhou, Sichuan, Yunnan
All parts are used to treat worm diseases.