Small evergreen tree to 13 m tall. Leaves 6-20 cm long, narrowly obovate, margin finely toothed. Flowers 1.5-2.5 cm across, in dense slender pendulous raceme, pink or red; stamens deep pink or dark red. Flowers open nocturnally and by morning they begin to drop. Fruits 2-6 cm across, ellipsoid or ovoid or globose with 4-8 ribs, brownish and scurfy.