Evergreen trees, usually no more than 10 meters high, sometimes up to 15 meters or higher, bark gray black; Branchlets columnar, brown red, densely covered with white lenticels. Leaves and stalks 10-25 cm long or over; Leaflets 2 or 3 pairs, less than 4 pairs, thin leathery or leathery, lanceolate or ovate lanceolate, sometimes long elliptic lanceolate, 6-15 cm long, 2-4 cm wide, sharp tip or tail shaped short acuminate, entire margin, dark green ventral surface, shiny, green back flour, hair...