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.