Deciduous trees, to 25 m high; bark grey, exfoliating in flat scales; blaze dull yellow. Leaves compound, imparipinnate, opposite, estipulate; rachis 150-450 mm long, pubescent, slender, swollen at base; leaflets 5-11, opposite; petiolules 10-20 mm, slender, pubescent; lamina 7.5-16 x 5-7.5 cm, elliptic or ovate