Passiflora dolorosa: A New Species of Passiflora supersect. Distephana (Passifloraceae) in Roraima, Brazil

Artur Manoel Leite Medeiros; Juliana de Paula-Souza; Vania Gonçalves-Esteves; Claudia Barbieri Ferreira Mendonça; Ana Carolina Mezzonato-Pires

doi:10.3417/2025998

Artur Manoel Leite Medeiros Museu Nacional, Universidade Federal do Rio de Janeiro, UFRJ
Juliana de Paula-Souza Universidade Federal de Santa Catarina, UFSC https://orcid.org/0000-0001-7739-1634
Vania Gonçalves-Esteves Museu Nacional, Universidade Federal do Rio de Janeiro, UFRJ https://orcid.org/0000-0002-2803-6027
Claudia Barbieri Ferreira Mendonça Museu Nacional, Universidade Federal do Rio de Janeiro, UFRJ https://orcid.org/0000-0003-4219-6147
Ana Carolina Mezzonato-Pires Universidade Federal de Goiás https://orcid.org/0000-0001-8987-1213

DOI: https://doi.org/10.3417/2025998

Keywords: Passiflora, Roraima, supersection Distephana, taxonomy

Abstract

A new species of Passiflora L. (Passifloraceae s. str.), P. dolorosa A. M. L. Medeiros & Mezzonato, belonging to Passiflora supersect. Distephana (Juss. ex DC.) Feuillet & J. M. MacDougal, is described from Roraima, Brazil. This species is distinguished by vegetative organs with a puberulous indumentum, sinuate leaf margins, lenticular glands at the base of each sinus on the abaxial leaf surface, linear bracts, a campanulate floral tube, and outermost corona filaments that are free to the base. Detailed morphological description, photographic plates, habitat, phenology, and a comparison with closely related species are provided.