Tall woody climber with hairy stems. Leaves pinnate. Leaflets 5-7, petiolate, 5-12 cm long, broadly ovate to suborbicular-cordate, obtuse or acute, dentate-serrate to incised dentate or lobed (with 3-5 lobes). Flowers numerous, in panicles. Sepals whitish, 15-20 nun long, ribbed, lanceolate-oblong, usually acute, tomentose on both sides. Filaments flattened, linear, densely hairy. Anthers narrow, glabrous. Achenes densely hairy, styles c. 4 cm long, ciliate.