Slender liana, perennial; dioecious. Probract present. Tendrils unbranched. Leaves: blade simple, unlobed. Flowers (pale) yellow. Male inflorescences racemose-paniculate, flowers short-pedicellate. Male flowers: receptacle-tube short cup-shaped, lobes minute; petals 5, entire, free, quincuncial; stamens 3, free, inserted towards base of tube, anthers free but connivent into a depressed globose head, two 2-thecous, one 1-or 1.5-thecous, thecae sigmoid, connectives broad, glabrous; disc absent or not obvious. Female flowers solitary or in a short raceme co-axillary with single female flower; ovary narrowly ellipsoid, ovules rather few, horizontal; receptacle-tube and perianth as in the male flowers; style conspicuous, stigma 3-parted; staminodes 4 or 5, subulate, inserted near the throat of the tube; disc present (obscure in the male ones). Fruit solitary (always?), somewhat baccate. Seeds rather large, near-globose, faintly margined; testa not ornamented.
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