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Révision du genre africain Sherbournia (Rubiaceae, Gardenieae)

par Sonke, Bonaventure ;Pauwels, Luc
Référence Bulletin du Jardin Botanique National de Belgique, 75, 1, page (61-91)
Publication Publié, 2005

Article révisé par les pairs

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Résumé :

A revision of Sherbournia G.Don is given, based mainly on a study of the herbarium specimens at BATA, BM, BR, BRLU, K, LBV, MO, P, SCA, WAG and YA. The general part gives a survey of the history of the genus and comments upon fruit morphology. The distribution maps of the species show the characteristic pattern of a strictly Guineo-Congolian genus. The taxonomic part gives keys and complete species treatments (synonymies, descriptions, distributional data, critical notes). The detailed examination of the specimens resulted in one novelty: Sherbournia batesii (Wernham) Hepper subsp. kivuensis Pauwels & Sonké. Some taxonomic changes are made: Sherbournia streptocaulon (K.Schum.) Hepper var. situtunga N.Hallé should not be maintened as a variety. Sherbournia bignoniiflora (Welw.) Hua var. brazzaei N.Hallé, Amaralia palustris Wernham and Amaralia ekotokicola Wernham are synonymous with Sherbournia bignoniiflora (Welw.) Hua. The subdivison of S. hapalophylla (Wernham) Hepper is reconsidered and two subspecies are proposed in stead of three varieties: S. hapalophylla subsp. hapalophylla and S. hapalophylla subsp. wernhamiana (N.Hallé) Sonké & Pauwels. According to those changes, S. hapalophylla var. henrihuana N.Hallé is put into synonymy with S. hapalophylla subsp. hapalophylla. © 2005 National Botanic Garden of Belgium. All rights reserved.