Trees, to 10 m high; bark grey-brown, smooth; branchlets terete-compressed. Leaves simple, opposite, estipulate; petiole 8-15 mm, stout, grooved above; lamina 16-34 x 5-13 cm, elliptic; base cuneate, coriaceous, glabrous, glossy, gland dotted; lateral nerves 10-15 pairs, pinnate, slender, prominent, looped near the margin forming intramarginal nerves, intercostae reticulate, prominent. Flowers bisexual, large; calyx tube 1.5 cm; lobes round, unequal; petals large, glandular, suborbicular; stamens 2 cm, many, bent inwards in middle when in bud; ovary inferior, 2-celled, ovules many; style long. Fruit a berry, large, to 5 x 3 cm.