Abstract

JIMENEZ, José Esteban; OYUELA-ANDINO, Olvin; BONILLA, Josué H.  and  BLANCO, Mario A.. ARISTOLOCHIA HONDURENSIS (ARISTOLOCHIACEAE), A NEW SPECIES FROM HONDURAS. Darwiniana, nueva serie [online]. 2023, vol.11, n.1, pp.38-54. ISSN 0011-6793.  http://dx.doi.org/10.14522/darwiniana.2023.111.1090.

Jiménez, J. E.; O. Oyuela-Andino, J. H. Bonilla & M. A. Blanco. 2023. Aristolochia hondurensis (Aristolochiaceae), a new species from Honduras. Darwiniana, nueva serie 11(1): 31-42. Aristolochia hondurensis, a new species of Aristolochia series Hexandrae subseries Hexandrae, endemic to Honduras, is described and illustrated. It is a species morphologically similar to Aristolochia anguicida, from which it is distinguished by its much larger flowers (in all dimensions) with an oblong, attenuate, erect perianth limb, perpendicular to the tube. Comments about its distribution, habitat, phenology, conservation status, and distinction from morphologically similar species, and a dichotomous key of the species present in Honduras belonging to the subseries Hexandrae are provided. The new species is known from only two populations and is not known to occur in any protected area; it is provisionally categorized as Critically Endangered (CR) according to IUCN Red List criteria. Previous reports of A. inflata for Honduras appear to be unsubstantiated by herbarium specimens.

Keywords : Aristolochia subseries Hexandrae; flora of Honduras; IUCN Red List categories; taxonomy..

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