Slender climber. Stems herbaceous or slightly woody, 1-2 mm ø, puberulous and also bearing long, spreading hairs. Leaves with tomentose or gla-brescent petioles 2-5 cm, inserted 1-5 mm above the basal margin; lamina broadly ovate to triangular-ovate, apex acuminate, terminating in a long, fine mucro, base rounded, truncate or subcordate, 7—14 by 5-12 cm, palmately nerved with 5 main ascending nerves; upper surface pubescent at first, later gla-brescent, very finely reticulate; lower surface tomen-tose; papyraceous. Male inflorescences axillary (? also cauliflorous), thyrsoid, 6-12(-23) cm long, yel-lowish pubescent to tomentose; flowers borne in small cymose clusters on lateral branches up to l(-4) cm. Male flowers with pedicels c. 1 mm; sepals 4, free, ± oblanceolate-elliptic, 1.5 by 0.75 mm, pubescent outside; corolla campanulate, margin suben-tire, 1 mm long, glabrous; synandrium c. 1 mm long. Female inflorescences similar to male but also ter-minal. Female flowers on pedicels 1-2 mm; sepals 2, obovate, 1-1.25 by 0.75 mm, densely pilose out-side; petals 2, obovate, 1 by 0.5 mm, sparsely pilose outside; carpel ± ellipsoidal, very densely pilose, 1 mm long, style short, glabrous, stigma laciniately 4-5-lobed. Drupes unknown.
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