par Champluvier, Dominique;Parmentier, Ingrid ;Ngok, Ludovic;Lejoly, Jean
Référence Bulletin du Jardin Botanique National de Belgique, 73, 2, page (209-214)
Publication Publié, 2003
Article révisé par les pairs
Résumé : The study of the vegetation of inselbergs and forest types in these two afrotropical countries lead to the description of three new taxa. Justicia amanda subsp. saxatilis, growing on inselbergs in Equatorial Guinea is a vicariant taxon of the typical subspecies which is only known from the mountains of Eastern Congo-Kinshasa, Rwanda and Burundi. Dischistocalyx lithicola, also growing on inselbergs, differs from the other species by its complete glabrescence, its strongly two-coloured, narrow, coriaceous although thin leaves, and from D. strobilinus, the closest species, by its larger corolla. Dischistocalyx alternifolius, growing in rainforest, differs from all other species of the genus by its complete anisophylly, with the complete reduction of one leaf in each pair.