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. 2019 Jul 23:128:39-46.
doi: 10.3897/phytokeys.128.34640. eCollection 2019.

A new species of Rhaptopetalum (Lecythidaceae) from south-western Gabon

Affiliations

A new species of Rhaptopetalum (Lecythidaceae) from south-western Gabon

David Kenfack et al. PhytoKeys. .

Abstract

Rhaptopetalumrabiense Kenfack & Nguema, sp. nov. from the Rabi forest in south-western Gabon is described, illustrated and assigned a provisional conservation status of "Critically Endangered". An identification key to the five Gabonese species of Rhaptopetalum is also provided.

Keywords: ForestGEO; Gabon; IUCN Red List; Rabi; new species; permanent plot; rainforest; taxonomy.

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Figures

Figure 1.
Figure 1.
RhaptopetalumrabienseA flowering twig B close-up of the lower surface showing the indumentum and the punctate lamina C detail of inflorescence and stem showing lenticels D flower bud E opened flower F flower with pseudocorolla and stamens removed showing superior ovary G longitudinal section of F showing pendulous ovules H fruiting branch.
Figure 2.
Figure 2.
RhaptopetalumrabienseA flowering branch B lateral view of the flower C flower view from above showing the poricidal anthers and the gynoecium D fruiting branch. Photographs by Diosdado Nguema.
Figure 3.
Figure 3.
Type locations of Rhaptopetalumrabiense and the closely related species R.belingense in Gabon.

References

    1. APG (2016) An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV. Botanical Journal of the Linnean Society. 10.1111/boj.12385 - DOI
    1. Bachman S, Moat J, Hill AW, de Torre J, Scott B. (2011) Supporting Red List threat assessments with GeoCAT: Geospatial conservation assessment tool. ZooKeys 150: 117–126. 10.3897/zookeys.150.2109 - DOI - PMC - PubMed
    1. Cheek M, Gosline G, Csiba L. (2002) A New Species of Rhaptopetalum (Scytopetalaceae) from Western Cameroon. Kew Bulletin 57(3): 661–667. 10.2307/4110996 - DOI
    1. IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1 (2nd edn). IUCN Gland and Cambridge.
    1. Letouzey R, White F. (1978) Chrysobalanaceae–Scytopetalaceae – Flore du Gabon 24. 202 pp. Muséum National d’Histoire Naturelle, Paris.

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