Evergreen trees, usually more than 10 meters high, with 40 meters high, 1 meter diameter at breast height, and large trees with plate roots; Branchlets stout, puberulent, scattered pale lenticels. Leaves with stalks 15-30 cm or longer; The leaflets are 4-5 pairs, rarely 3 or 6 pairs, thin leathery, oblong elliptic to oblong lanceolate, often asymmetric on both sides, 6-15 cm long and 2.5-5 cm wide, short and sharp at the top, sometimes slightly blunt, extremely asymmetric at the base, wide we...