Isolona hexaloba A, B flowering branch C transversal section of flower showing androecium and stigma D flower (bottom view) E stamens inner row (2 top); stamens of inner most row (top) and outermost row (bottom) F carpel and detail of ovules G fruits, the one on the right opened to show seeds H seed (left) and transversal section of seed showing ruminate endosperm (right) A, C–F from Le Testu 5862 B Le Testu 5836 G, H Klaine 360. Drawings by Hélène Lamourdedieu, Publications Scientifiques du Muséum national d’Histoire naturelle, Paris; modified from Le Thomas (1969b, pl. 66, p. 357).