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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

Abstract : 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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https://hal.inrae.fr/hal-02945873
Contributor : Yannick Brohard <>
Submitted on : Tuesday, September 22, 2020 - 4:20:19 PM
Last modification on : Wednesday, September 23, 2020 - 4:21:23 AM

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Piero G. Delprete, Claes Persson. 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. Kew Bulletin, 2013, 68 (1), pp.173-177. ⟨10.1007/s12225-012-9426-9⟩. ⟨hal-02945873⟩

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