Slender climber, up to c. 4 m. Stems woody, 1.5-4 mm ø, puberulous to glabrous. Leaves: petioles 2-3 cm, minutely puberulous to glabrous, inserted at, or up to 5(—12) mm from, basal margin; lamina lanceolate or ovate-lanceolate, apex usually attenuately acuminate to caudate, sometimes abruptly acumi-nate, base rounded, truncate or cordate, 6-15 by (2-) 3-4(-5.5) cm; palmately 3-5-nerved; both surfaces usually glabrous but sometimes lightly pube-scent below, papyraceous. Inflorescences axillary, narrowly thyrsoid, 7-17 cm, puberulous, female sometimes a compound thyrse up to c. 40 cm termi-nating a lateral shoot. Male flowers yellow, borne on puberulous pedicels up to 1.5 mm; calyx subcam-panulate, shortly 4-lobed, 1 mm long, 1.25 mm broad, glabrous; corolla entire, broadly cyathiform, 0.75 by 1 mm, glabrous; synandrium not exserted, 1 mm long. Female flowers greenish borne on pube-rulous pedicels at first 0.5 mm and later up to 1.5 mm; petals and sepals early caducous; sepals 2, ± broadly elliptic, 1 by 0.5 mm, minutely puberulous outside; petals 2, subrotund, 0.5 mm long, glabrous; carpel obliquely ovoid 0.75 mm long, glabrous, stigma obscurely and bluntly lobed. Drupes on pedicels 1-2 mm, obliquely obovate in outline, 6-7 by 5-6 mm, 3 mm thick, glabrous; endocarp bearing 3 rows of papilliform tubercles on both faces.
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