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Issue: Vol. 697 No. 2: 15 Apr. 2025
Type: Article
Published: 2025-04-15
DOI: 10.11646/phytotaxa.697.2.2
Page range: 166-176
Abstract views: 73
PDF downloaded: 4

Resolving the Passiflora guentheri and P. mapiriensis enigma: identifying a third member of Passiflora sect. Simplicifoliae from the eastern Yungas, Bolivia

School of Environment, Faculty of Sciences, University of Auckland, City Campus for science and engineering, Symonds Street, Auckland, New Zealand
Centro de Biodiversidad y Genética, Universidad Mayor de San Simón, Cochabamba, Bolivia
Missouri Botanical Garden, St Louis, MO, USA, Herbario Nacional de Bolivia, Instituto de Ecología, Carrera de Biología, Universidad Mayor de San Andrés, La Paz, Bolivia
The Chiquitano Forest Conservation Foundation, Santa Cruz, Bolivia
Independent botanical illustrator, mattiaslanas.com, Madrid, Spain
Eudicots maracuya passionflower passionfruit taxonomy

Abstract

Two hereto elusive and misunderstood species of Passiflora sect. Simplicifoliae (Passifloraceae), Passiflora guentheri and P. mapiriensis, have been studied and evaluated. This study has shown maintainable differences between the species confirming their taxonomic separation, but questions are raised regarding their origin information and their type localities. From the manuscripts, both species were described as being collected from the exact same locality, which seem unlikely given their close taxonomic alliance. An expedition to Bolivia revisited this location, but also surveyed a wider area to better understand their actual distribution and evaluate the botanical differences between either species. This has shown some consistent botanical traits that warrant their speciation, and examples are given in this paper. Following an extensive planimetric study of the species from this taxonomic group, a third species, here proposed as Passiflora chaskajina sp.nov. is added to the Bolivian flora. The ecology, history, conservation and distribution of the Bolivian members of P. sect. Simplicifoliae has been commented on in this paper.

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How to Cite

Kuethe, J., Balderrama, J.A., Fuentes, A., Justiniano, H. & Lanas, M. (2025) Resolving the Passiflora guentheri and P. mapiriensis enigma: identifying a third member of Passiflora sect. Simplicifoliae from the eastern Yungas, Bolivia. Phytotaxa 697 (2): 166–176. https://doi.org/10.11646/phytotaxa.697.2.2