Trees, deciduous, to 20 m tall. Bark gray; branches terete, tomentose. Leaves with petiole 14-45 cm, axis appressed pilose; leaflets 4-10-jugate, subopposite; petiolules ca. 1 cm or shorter; blades oblong-lanceolate or oblong-ovate, 7-11 × 2.5-3.5 cm, thinly papery, abaxially subglabrous or pilosulose on midvein, adaxially only hairy on midvein, lateral veins dense, ca. 16 pairs, slender, netted at tips, base broadly cuneate, apex acuminate. Inflorescences hemispheroid, dense and many flowered, main rachis and corymbose arranged branches tomentose. Flowers fragrant. Pedicels 2-5 mm. Sepals ovate, 1-1.5 mm, abaxially tomentose. Petals ca. 2 mm, abaxially villous. Filaments ca. 4 mm, glabrous. Ovary tomentose. Fertile schizocarps ca. 8 × 7 mm, tomentose. Seeds black; hilum cinnabar. Fl. May-Jun, fr. Oct.