Two new species in the Matelea stenopetala complex (Apocynaceae, Asclepiadoideae) from the Guiana Shield and Amazonian Brazil

Authors: Krings, Alexander Countries: Brazil, Venezuela DOI: 10.3897/phytokeys.17.3485 Published: Jan. 1, 2012 Source: PhytoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Gonolobinae · Topics: Plant Diversity and Evolution, Plant and animal studies, Plant and Fungal Species Descriptions

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Two new species in the Matelea stenopetala complex (Apocynaceae, Asclepiadoideae) are described from the Guiana Shield and Amazonian Brazil: Matelea brevistipitata Krings & Morillo, sp. nov. and M. trichopedicellata Krings & Morillo, sp. nov. The new species belong to a small group of adaxially-pubescent-flowered taxa within the complex, including M. hildegardiana and M. pakaraimensis. The new species are described and a dichotomous key is provided.

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