Trees, small, ca. 6 m tall. Leaves with petiole to 75 cm or longer; petioles strong, stout, to 1.5 cm in diam. at base, axis reddish brown, with 2 evident furrows adaxially, pilose; leaflets often 5 or 6 pairs; petiolules inflated, less than 1 cm, tomentose; blades narrowly lanceolate or sometimes narrowly elliptic, 20-42 × 5-10 cm, thinly leathery, abaxially ferruginous hirsute on midvein, lateral veins, and reticulate veins, adaxially pilosulose on midvein, lateral veins 15-30 pairs, base slightly oblique cordate, apex acute to shortly acuminate. Inflorescences cauliflorous, to 65 cm when fruiting, ferruginous tomentose; rachis strong, ridged. Flower buds subglobose. Sepals 5, pilose abaxially. Petals 4, broadly obovate, clawed, abaxial surface of claw villous, adaxially with 1 reflexed cristate appendage. Disk semilunar. Stamens 8; filaments villous. Fruit (not thoroughly mature) subglobose or broadly ellipsoid, 1.5-2 cm, with 3 obtuse angles, densely ferruginous tomentose, 3-loculed, with 1 seed per locule. Seeds ellipsoid; hilum long. Fl. autumn.