Common middle story tree of the rainforest, to 30 m and 60 cm Ø, locally abundant; base with sharp root spurs; stem straight and slender, crown small and dense; bark grey-black with numerous small corky lenticels, scaly with an irregular pattern, shed scales leaving a yellowish brown scar, giving the bark a camouflage effect; slash fairly hard, yellowish interspersed with fine stripes. Leaves simple, alternate, with entire margin, decurrent along petiole; acute/acuminate tip, ± rounded base; about 4 – 5 curved laterals. Venation ± scalariform? Fruit about 2cm Ø, fleshy, containing a nut with a coriaceous shell. Seedling with 3 first, nearly round, tri-nerved leaves. See also PROTA database. Syn.: Strombosia grandifolia/Strombosia glaucescens var. lucida. Note: a small erect treelet, only recorded from Liberia, is Strombosiopsis nana; petiole normal, margin entire, blade ± 3-nerved with 2 glands near de base; petiole winged.

Common small tree or shrub throughout the forest zone, rarely larger than 10 m and 10 cm Ø, with remarkable fruits: a single berry surrounded by a purplish-red, lobed collar (calyx) of about 4 cm Ø. Young twigs with two opposite wings. Leaves simple, alternate, with short petiole, elliptic – oblanceolate, with about 6 pairs of laterals Grey-white, sub-globose fruits of about 1.5 cm Ø. See also PROTA database.

Can grow into an emergent tree to 40 m and 120 cm Ø; base with heavy root swellings, sometimes extending in heavy, extending surface roots. Twigs slightly flattened or winged, especially below the nodes. Bark thick, smooth or finely scaly, often with numerous lenticels. Slash hard and granular, brittle, pale brown with a white cambium layer; it may make a rustling sound and collects a little clear sap. Leaves simple, alternate, venation obscure. Fruits partly covered by a greenish nap. Tree looks somewhat like Cassipourea nialatou. See also PROTA database.