Resumo

KELLER, Héctor A.. DOS NUEVAS ESPECIES DE IBATIA (APOCYNACEAE) DE ARGENTINA. Darwiniana, nueva serie [online]. 2020, vol.8, n.1, pp.328-336. ISSN 0011-6793.  http://dx.doi.org/10.14522/darwiniana.2020.81.886.

Keller, H. A. 2020. Two new species of Ibatia (Apocynaceae) from Argentina. Darwiniana, nueva serie 8(1): 328-336.

Two new species of Ibatia (Apocynaceae, Asclepiadoideae, Asclepiadae, Gonolobinae) from the Chaco region of the Salta province, Argentina, are described and illustrated: I. dummelii and I. micrantha. Ibatia dummelii was collected in the Chaco Serrano and is distinguished from related species by the reflex perianth; Ibatia micrantha was collected in the Dry Chaco and is characterized by the very small flowers. As a result, the number of species registered for Ibatia in the Argentinian Flora now rises to seven.

Palavras-chave : Argentinian Flora; Asclepiadoideae; Gonolobinae; taxonomy..

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