Trees, to 7 m tall. Leaves 4-or 5-pinnately compound; petiole 10-45 cm, stout; leaflets subsessile or with petiolule to 1 cm (often somewhat winged), dark green or more commonly gray-green adaxially when dry, lighter or more brown abaxially, elliptic or narrowly elliptic, occasionally slightly ovate, (2-)4-8.5 × 0.8-3.5 cm, papery, both surfaces glabrous, lateral veins 5 or 6 pairs, nearly obscure, base attenuate, margin entire, rarely sparsely and irregularly serrulate, minutely revolute, apex acuminate. Inflorescence densely dark ferruginous throughout, indumentum persistent; primary axis 30-70 cm; secondary axes 20-30 cm; peduncles 1-2 cm; umbels (0.5-)1-1.5 cm in diam.; pedicels 1.5-4 mm. Fruit strongly compressed laterally, circular to slightly oblate, 5-6 × 7-8 mm, ca. 1 mm thick; pedicels (3.5-)4 mm, ferruginous pubescent. Fl. Oct-Dec, fr. Nov, Jan-Feb.