Inflorescences axillary; peduncles 2–11 cm long; bract stipules resembling the foliar stipules; bracts 0.7–2 × 0.7–2 cm, ovate in outline, the abaxial slightly larger than the adaxial, 3-lobed or sometimes 5-lobed, the lobes triangular or lanceolate, acute, slightly serrate or subentire, truncate to shallowly cordate at the base, 7-nerved from the base, pubescent along the nerves without, ± glabrous within, yellowish-green to creamy-white.
Female flowers subsessile or pedicels very short, but extending to 3–5 mm in fruit; sepals 9–11, sepal rhachis 1.5 mm long, extending to 6–7(10) mm in fruit, linear, lateral lobules 2–5 pairs, eglandular, pubescent and with urticating hairs; ovary 1 mm in diameter, pubescent; stylar column 4–5 mm long, dilated and excavated at the apex.
Male flowers: pedicels 2 mm long; calyx lobes 5, 2 mm long, ovate-lanceolate, subglabrous; stamens c. 20–25.Female bracts 4, very unequal, the adaxial 2.5 × 2.5 mm, suborbicular, the abaxial 3 × 4 mm, 2-lobed, the lateral bracts 2 × 1 mm, oblong, all ciliate.
A prostrate undershrub. Leaves divided into distinct leaflets which are prominently reticulately veined beneath. Involucral bracts small, yellowish green. Flowers yellow.
Male peduncles 1.5 mm long; involucre 6 mm across, 7-flowered; mass of fused bracts and aborted flowers adaxial, flattened.
A rhizomatous trailing or climbing perennial herb to over 2 m in length, sparingly pubescent.
Seeds 3.5 × 3 mm, ± smooth, brownish, streaked and mottled with pale grey.
Fruit 4 × 8 mm, smooth, sparingly pubescent, reddish-brown or blackish.
Stipules 2–4 mm long, lanceolate.
Petioles 0.7–3 cm long.