Piptostigma mortehani A single monocarp B base of leaf blade, lower side C base of leaf blade, upper side. Piptostigma pilosum D leaf, lower side, note numerous secondary veins E base of leaf blade, upper side F inflorescence with two flowers, side view. Piptostigma submontanum G leaf, lower side, note numerous secondary veins H base of leaf blade, upper side I base of leaf blade, lower side J cauliflorous inflorescence, note compact nature A Bidault 3633, Gabon B, C Couvreur 436, Ebolbom, Cameroon D, E Couvreur 1070, Gabon F Bidault 1414, Gabon G–J Couvreur 625, Ebo, Cameroon. Photos B–E, G–J Thomas L.P. Couvreur A, F Ehoarn Bidault. Tropicos.org, Missouri Botanical Garden.