Diogoa

Small to tall trees, non-resinous; bark greenish with many whitish lenticels arranged in horizontal lines. Leaves glabrous; veins prominent on upper surface. Inflorescences: fascicles or short panicles. Flowers bisexual, greenish or yellow. Calyx with 5 glabrous, +/- elliptic sepals fused at base. Petals 5, free to base, lanceolate. Stamens 5, epipetalous, free, adpressed to inner face of petals; filaments broad, fleshy and flattened; anthers opening by longitudinal slits. Disc adnate to ovary, rugose. Ovary (4)5-locular; ovule 1 per locule, pendent from a central placenta; style conical, with channels, terminating in a (4)5-lobed stigma. Fruit a +/- spherical drupe with a prominent equatorial ridge. Seed 1, +/- spherical; endosperm copious.