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Open Access Revision of Asiatic Poraneae (Convolvulaceae) – Cordisepalum, Dinetus, Duperreya, Porana, Poranopsis, and Tridynamia

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The genera Porana Burm. f. and Cordisepalum Verdc. are taxonomically revised. Five distinct groups of species segregated from Porana are here recognized at generic rank and the names Dinetus Sweet, Duperreya Gaudich., Poranopsis Roberty, and Tridynamia Gagnep., are taken up for four of them. Porana Burm.f., s.str., is herein restricted to two species. Cordisepalum is maintained as a genus distinct from, and closely related to, Poranopsis. All names are typified, selected taxa and characters are illustrated, and distribution maps are provided for all taxa. In total 20 species, one comprising two subspecies, are recognized. Two new species, Cordisepalum phalanthopetalum and Dinetus rhombicarpus, are described and illustrated. Names for Porana described from Africa, Madagascar, and the Americas are dealt with in the Species Exclusae. An index of numbered collections examined is provided.

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Document Type: Research Article

Publication date: December 1, 2006

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  • Blumea is an international journal on the biodiversity, evolution and biogeography of plants, including topics on systematics, floristics, phylogeny, morphology and anatomy. For floristic studies, the focus is on tropical Africa south of the Sahara, tropical Southeast Asia with a strong emphasis on Malesia, and South America with emphasis on the Guianas. Papers in Blumea are subjected to peer review and are in English. Blumea is published three times a year, comprising c. 300 pages in total.
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