Deciduous trees, about 20 m tall; bark dark brown. Petioles minutely pubescent, flattened above; leaf blade imparipinnately compound with 1-13 opposite leaflets; leaf rachis striate, minutely pubescent; petiolule 1-2 mm; leaflet blade lanceolate to ovate-lanceolate, or rarely linear-lanceolate, 5-10 × 1.5-2.5 cm, papery, base oblique, margin entire, apex acuminate or long acuminate, on both sides minutely pubescent along midrib and lateral veins and with prominent venation. Flowers produced before leafing; male inflorescence 6-7 cm, with clustered branches, female inflorescence lax, 15-20 cm, rachis minutely pubescent; floral subtending bracts lanceolate, 1.5-2 mm, minutely pubescent. Pedicels ca. 1 mm, minutely pubescent. Male flowers with 2 lanceolate bracteoles and 2 linear-lanceolate tepals, ca. 1.5 mm; stamens 3-5, filaments less than 0.5 mm, anthers oblong, ca. 2 mm; pistillode absent. Female flowers with 2-4 linear-lanceolate bracteoles and 5 ovate or oblong tepals, 0.7-1.5 × 0.5-0.7 mm; ovary globose, ca. 0.5 mm in diam., glabrous, stigmas thick, red. Drupe obovate-globose, slightly compressed, ca. 5 mm in diam., longitudinally striate in dried condition. Fl. Mar-May, fr. Aug-Nov.