Perennial herb. Stems slender, sulcate, somewhat geniculate at the nodes. Leaves triangular-ovate or somewhat cordate in outline, 3-6 cm in diam., digitately 3-5-partite to the base with pinnatifid segments; ultimate segments usually few, often concave, linear, acute; upper surface as a rule glabrous and more or less smooth; lower surface usually finely scabrid with small acute whitish tubercles; petioles slender, glabrous, smooth, 5-20 mm long. Tendrils filiform, slender, usually elongate, glabrous. Male flowers: common peduncle slender to filiform, straight, glabrous, sulcate, 3-12 cm long, at the apex sub-capitately 3-8-flowered; pedicels capillary patent, 1-3 mm long; receptacle campanulate, glabrous, about 1.5 mm long, sepals erect, triangular-subulate, nearly 0.5 mm long; petals about 1 mm long. Female flowers solitary or in few-flowered fascicles (rarely more than two together), shortly pedicelled; ovary ovoid or ellipsoid, long-rostrate. Fruit on a much elongating, up to 3 cm long, much incrassate, usually slightly to distinctly clavate, glabrous pedicel, subglobose or broadly ellipsoid, rounded to subtruncate at the base, with a narrowly conical, up to 7 mm long rostrum, glabrous, 7-14 mm long without the rostrum, 7-10 mm in diam. Seeds ovoid, slightly compressed, smooth, faintly margined, 6 mm x 3 mm x 1.5 mm.
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Monoecious, tuberous, perennial herb, with annual, prostrate or climbing stems, up to 0.8 m long, spiculate on ridges, with simple, slender tendrils. Leaves triangular-ovate, 30-60 mm long, deeply 3-5-sect, glabrous above, white-punctate below. Flowers ± 1 mm long, greenish yellow, male 3-8, in sub-capitate, axillary clusters, female 1-2, subsessile. Fruit on a long pedicel, ± subglobose, 12-19 mm long, beaked, glabrous, red, opening as if cut around near base.
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