FWTA 1: 563; Flore Mt Nimba 2: 649
Bos 2890 (WAG)
A tree from the semi-deciduous and rain forests, seemingly preferring rocky sites; it can reach a diameter of 80 cm; base of older trees with sharp vertical ridges that originate in the thick, to 3.5 cm long conical thorns found on younger trees. Leaves trifoliolate, leaflets with basal nerves. Flowers pale bluish purple. Fruits brownish yellow.