Article révisé par les pairs
Résumé : A new species of Leptactina (Rubiaceae) with axillary inflorescences, gibbous stipules and fruits ellipsoid from Cenral African Republic, L. deblockiae Neuba & Sonké, is described and illustrated here. Affinities of this new taxon with other species of Leptactina is discussed. A key of Leptactina species with axillary inflorescences is provided. © Publications Scientifiques du Muséum national d'Histoire naturelle.