Erect or scrambling and straggling herb, ± 1–2.5 m.. Stem and branches ridged or subterete and striate, moderately to densely furnished with pale or brownish multicellular hairs.. Leaves varying from deltoid-ovate with or without broad blunt lateral lobes at the base to hastate with a narrowly oblong central lobe and broad or narrower basal lobes, acute to acuminate, sparsely furnished along the veings of both surfaces (but particularly the lower) with multicellular hairs; lamina of main stem leaves 2–5 × 1.5–3.8 cm., cuneate to subcordate at the base, ± decurrent into the slender, 0.8–2.5 cm. petiole; upper and branch leaves smaller, usually narrower, more shortly stalked.. Inflorescences terminal on the stem and branches, of elongate thyrses up to ± 15 × 3 cm., formed of approximated few–many-flowered dense cymose clusters up to ± 1.5 cm. in diameter.. Bracts and bracteoles lanceolate-ovate, 4 mm., navicular, firm, straw-coloured or pale brownish with a single darker nerve, minutely denticulate above, often ± ciliate with multicellular hairs below.. Perianth-segments narrowly oblong-elliptic, 5–6 mm., ciliate below, pinkish to white or green, in the dry state ultimately straw-coloured to brown, 5–7-nerved almost to the apex along the darker central portion.. Free portion of the filaments only ± 1/4 the length of the sheath, sinuses without or rarely with very short bluntly deltoid teeth.. Stigmas 3, reflexed, slightly shorter than the ± 0.75 mm. style.. Ovules numerous (15–20 or more).. Capsule ovoid, ± 2 mm., included.. Seeds ± 1.2 mm., black, shining, compressed, with punctate furrows, the furrows narrower, more crowded and regularly concentric towards the margins.
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A herb. It can be a scrambler or climber. It can grow 2.5 m high.