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Sphinctanthus fluvii-dulcis (Rubiaceae: Gardenieae), a new species from the Rio Doce Valley, Atlantic forest of Minas Gerais, Brazil, with detailed observations on ovary morphology

Journal article
Authors Piero Delprete
Claes Persson
Published in Kew Bulletin
Volume 68
Pages 1-5
ISSN 0075-5974
Publication year 2012
Published at Department of Biological and Environmental Sciences
Pages 1-5
Language en
Keywords Sphinctanthus Gardenieae Rubiaceae
Subject categories Biological Sciences, Botany, Biological Systematics


Summary. A new species of Sphinctanthus from the Rio Doce Valley, Atlantic forest in the state of Minas Gerais, Brazil, is here described and illustrated. The species is peculiar within the genus by having placentation entirely parietal, while in the other species of Sphinctanthus the placentation is basally axial and distally parietal. In addition, despite its bright orange flowers (being a plant with high potential as an ornamental), it is only known from two collections from nearby localities, indicating that it is a rare and critically endangered species

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