Dioscorea stipulosa Uline ex R.Knuth

Dioecious climber, up to 3 m high; stems, twining, tough, wiry, ribbed, scabrid, bracteate; tuber with finger-like horizontal branches, dark brown. Leaves alternate, stipulate, petiolate, up to 48 x 20 mm, ovate, 5-7-veined, base cordate, apex mucronate, margins entire. Male inflorescences: racemes up to 80 mm long, erect. Male flowers up to 20; perianth cream-coloured, funnel-shaped; bracts 2; filaments incurved; pistillode rudimentary. Female inflorescences racemose, up to 70 mm long, bracteate. Female flowers: perianth rotate; pale green; staminodes 6; ovary inferior ± 5 mm long; stigmatic surfaces bilobed, deflexed. Flowering time Dec., Jan. Fruit a capsule, 25 x 15 mm, yellowish brown.