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Issue: Vol. 173 No. 4: 2 July 2014
Type: Article
Published: 2014-07-02
DOI: 10.11646/phytotaxa.173.4.3
Page range: 285–292
Abstract views: 42
PDF downloaded: 1

Two new Sabicea (Rubiaceae) species from West Central Africa: Sabicea bullata and Sabicea urniformis

Plant Systematic and Ecology Laboratory, Higher Teachers´ Training College, University of Yaoundé I; Department of Plant Systematics, University of Bayreuth, 95440 Bayreuth, Germany
Botanic Garden Meise, Domein van Bouchout, BE-1860 Meise, Belgium;
Botanic Garden Meise, Domein van Bouchout, BE-1860 Meise, Belgium;
Department of Plant Systematics, University of Bayreuth, 95440 Bayreuth, Germany
Plant Systematic and Ecology Laboratory, Higher Teachers´ Training College, University of Yaoundé I, P.O. Box 047, Yaoundé, Cameroon Service Evolution Biologique et Ecologie, Université Libre de Bruxelles - ULB, 50 Av. F. Roosevelt, CP160/12, 1050 Bruxelles, Belgique Missouri Botanical Garden, Africa & Madagascar Department, P.O. Box 299, 63166–0299, Saint Louis, Missouri, USA
Conservation status Lower Guinea Rumpi Hills IUCN Red List Categories

Abstract

Two distinctive new species of Sabicea (Rubiaceae) from the Lower Guinea region are described and illustrated. Sabicea bullata is easily recognized by its cordate leaves, which are strongly bullate above, and its sessile glomerulate inflorescences. It is restricted to the Rumpi Hills and Bakossi Mountains, in southwestern Cameroon. Sabicea urniformis, from southern Gabon and Congo-Brazzaville, is remarkable in having discolorous leaves and an urn-shaped involucre with bracts shortly connate at the base.

         Detailed descriptions and botanical drawings are provided, conservation status assessed and taxonomic affinities discussed.