Une nouvelle espèce de Bertiera Aubl. (Rubiaceae) du sous-genre Bertierella découverte en Guinée Équatoriale et au Cameroun

A new species of Bertiera (Rubiaceae) from Equatorial Guinea and Cameroon, Bertiera rosseeliana Sonké, Esono & Nguembou, is described and illustrated here. This new species belongs to subgenus Bertierella and appears to be closely related to Bertiera naucleoides. It differs from this species, however, by the features stated in the diagnosis: glabrous leaf blade (not puberulous); calyx lobes shorter (2-3 not 7-8 mm); corolla tube longer (18-20 not 5-6 mm); fruits without pedicel. © Publications Scientifiques du Muséum national d'Histoire naturelle.SCOPUS: ar.jinfo:eu-repo/semantics/publishe

Un Bertiera (Rubiaceae) nouveau et hétérophylle du Cameroun et du Gabon

A new species of Bertiera (Rubiaceae) from Cameroon and Gabon, Bertiera heterophylla Nguembou & Sonké, is described and illustrated. This new species belongs to the subgenus Bertiera and appears to be closely related to Bertiera bicarpellata. Bertiera heterophylla differs from B. bicarpellata in having lateral branches with terminal inflorescences while on the main stem, the inflorescences are axillary. © 2006 National Botanic Garden of Belgium.SCOPUS: ar.jinfo:eu-repo/semantics/publishe