Abstract
With over 181 species in Colombia, Passiflora (Passifloraceae) is one of the richest ornamental genera in the Neotropics. In this study, we documented the north-eastern range expansion of Passiflora smilacifolia, with two confirmed records in the humid rainforests of the municipalities of Belén de los Andaquíes (Caquetá) and La Macarena (Meta). We provide a detailed morphological description, high-resolution images, key ecological attributes, and an updated distribution map for this species, which was previously only known to occur in Ecuador. A morphological comparison with Passiflora cuspidifolia is presented to resolve identification confusion. Given the limited information available regarding the conservation status of P. smilacifolia and the high susceptibility of its habitat to threats such as agriculture and the illegal extraction of flora and fauna, we formally suggest its inclusion in the IUCN Red List under the category of Data Deficient (DD).
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