Evergreen woody climber. Lvs with fulvous hairs especially beneath, 3-foliolate, 3-8-(16) × 2-7-(16) cm; leaflets thin, ovate, acute to obtuse; margins entire to serrate, sometimes deeply lobed to dissected; petiole pilose, 2-5-(8) cm long. Fls unisexual, in axillary dichasial cymes. Bracts paired, united, inserted about middle of peduncle, with fulvous hairs. ♂ fls: sepals (5)-6-(8), imbricate, yellowish, glabrous above, hairy beneath, narrow-oblong to elliptic-oblong, 9-12-(22) × 2-5 mm; anthers 0.7-1 mm long; filaments glabrous. ♀ fls: sepals 5-8, imbricate, yellowish, glabrous above, hairy beneath, elliptic-ovate, 8-13-(15) × 2-3-(6) mm; staminodes few. Achenes hairy, (2)-3-4 mm long. Style 1.5-2.5-(3) cm long at fruiting.
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