十一叶雪胆 shi yi ye xue dan

Tuber enlarged. Stem slightly robust. Tendrils 8-12 cm. Leaves pedately 9-11-foliolate; petiole stout, 5-7 cm; leaflets obovate-lanceolate, margin irregularly crenate; median leaflets 5-7 × 2-2.5 cm; petiolule 3-5 mm. Male inflorescence paniculate; rachis indistinctly flexuous, 5-8 cm; calyx segments pale yellow-green, ovate-triangular, ca. 5 × 4 mm, apex reflexed; corolla orange-yellow, bowl-like, 8-10 mm in diam.; segments oblong, with dense squamose hairs, apex reflexed; filaments very short, ca. 0.5 mm. Female flower and fruit unknown. Fl. Jun-Jul.

● Broad-leaved forests; ca. 2400 m. NW Yunnan.