Isolona hexaloba A trunk, note deeply furrowed B base of leaf blade, note raise midrib C flower, top view D flower, side view E fruiting branch. Isolona pleurocarpa F trunk G bade of leaf blade, notice decurrent base H flower, top view, fallen on ground I syncarpous fruit; fallen on ground A Sosef 2032, Gabon B–D Couvreur 561, Gabon E Texier 2347, Gabon F–I Couvreur 402, Ngovayang, Cameroon. Photos A–D, F–I Thomas L.P. Couvreur E Nicolas Texier, Tropicos.org, Missouri Botanical Garden.