Leaves alternate, papery, reddish when young, leaf blade elliptic or oblong-ovate, 4 - 10 cm long, 2.5 - 5 cm wide, base cuneate, apex obtuse or shortly acuminate, with several rounded glands on near margin abaxially; midvein elevated on both surfaces, lateral veins 8 - 12, alternate or nearly opposite; petioles 2 - 7.5 cm long, biglandular at apex; stipules small, subovate, ca. 1 mm long.
