Subshrubby climber; stems drying brown, terete, striate, becoming somewhat woody, glabrous; tendrils bifid or simple.. Leaves ovate to oblong, 2–7(–10.5) cm. long, 0.5–4(–5.5) cm. wide, acuminate at the apex, rounded to truncate at the base, remotely serrate with very narrow teeth, glabrous; petiole 0.6–3.5 cm. long; stipules ovate to oblong, 2.5 mm. long, glabrous.. Inflorescences compound cymes of umbelliform cymules, 2–6 cm. long, few-flowered, glabrous; peduncles 1.5–4 cm. long; pedicels 6 mm. long, glabrous, lengthening to 1–1.5 cm. long.. Flower-buds yellow-green at tips, ovoid, rounded at the apex, glabrous.. Calyx cupuliform, 2 mm. wide, glabrous.. Petals white to yellow, ovate, 2 mm. long, glabrous.. Fruits ellipsoid, 1 cm. long, 5 mm. wide (immature).
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