Entandrophragma

Trees, usually large, monoecious. Leaves paripinnate, crowded at tips of branches; leaflets entire. Flowers unisexual; in axillary panicles. Calyx saucer-shaped, 5-lobed. Petals 5, contorted. Disc in the form of 10 indistinct or distinct short ridges connecting ovary to base of staminal tube. Stamens 10; filaments connate into an urceolate tube +/- half as long as petals. Ovary subglobose, 5-locular, with 4-12 pendulous ovules in two rows in each locule; style short, cylindric; stigma discoid with 5 radiating stigmatic lines. Fruit a large, woody, septifragal capsule, pendulous, valves separating from apex, persistent at base; columella massive, softly woody, 5-angled. Seeds 3-5 per locule, with a terminal wing. x = 9 or 18 (polyploidy).