Abstract
Background and aims – Euonymus congolensis R.Wilczek from Kasai in D.R. Congo was recently transferred to a new monotypic genus Wilczekra by M.P. Simmons. Similar material from NE Gabon was classified by Villiers as Euonymus congolensis. However, the Gabonese collections proved to represent a distinct, undescribed species.Methods – Normal practices of herbarium taxonomy have been applied to study all herbarium material available, mainly from BR and WAG. The distribution map has been produced using Arcview 324. The relevant collecting data are stored in the NHN (National Herbarium Nederland) database.Key results – The new species Wilczekra gabonica Breteler is described and illustrated and its conservation status is assessed as Least Concerned. The morphological differences between the two species Wilczekra congolensis (R.Wilczek) M.P.Simmons and W. gabonica are given in a key and their distributions are mapped.
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