All Floras      Advanced Search
FOC Vol. 24 Page 294 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 24 | Dioscoreaceae | Dioscorea

46. Dioscorea wallichii J. D. Hooker, Fl. Brit. India. 6: 295. 1892.

盈江薯蓣 ying jiang shu yu

Tubers palmately branched, cylindric. Stem twining to right, stout, glabrous. Leaves opposite or alternate, simple; petiole 4--12 cm; leaf blade orbicular or ovate, 6--18 × 6--22 cm, glabrous, basal veins 7--11, base cordate to deeply so with narrow sinus and basal lobes rounded, margin entire, apex acute or shortly acuminate. Male spike 2--5 cm, in delicate, axillary panicles 4--10 cm; rachis straight. Male flowers: bracts triangular-ovate; perianth purplish red dotted, outer lobes elliptic-ovate, inner ones broadly obovate; stamens 6; staminodes large, subglobose. Female spikes simple or branched. Female flowers: perianth lobes fleshy, outer ones ovate, inner ones broadly ovate. Capsule (immature) not reflexed, drying blackish, oblate, 2--2.7 cm, glabrous, base truncate, apex emarginate to truncate; wings 1.7--2 cm wide. Seeds inserted near middle of capsule, winged all round. Fl. Dec.

Forests, mountain slopes; 900--1300 m. W Yunnan (Yingjiang Xian) [Bangladesh, India, Malaysia, Myanmar, Thailand].


Related Objects  
  • Illustration
  • Illustration

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |