A new species of <i>Andinia</i> (Pleurothallidinae) from Peru and an updated phylogenetic analysis of the genus with emphasis on subgenus <i>Aenigma</i>


  • Luis Ocupa-Horna Departamento de Gimnospermas y Monocotiledóneas, Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Av. Arenales 1256, Jesús María, Lima, Perú; Departamento de Orquideología, Centro de Investigación en Biología Tropical y Conservación–CINBIOTYC, Urb. Almirante Miguel Grau 2da Etapa Mz. E Lote 16, Piura, Perú. https://orcid.org/0000-0002-4904-1060
  • Sebastián Vieira-Uribe Grupo de Investigación en Biodiversidad Tropical - GIBIOT, Jardín Botánico de Medellín, Colombia; Grupo de Investigación Schultes, Fundación Ecotonos, Cali, Colombia. https://orcid.org/0000-0002-0875-9498
  • Raven Ward Department of Organismal Biology and Ecology, Colorado College, Colorado Springs, CO 80903, USA. https://orcid.org/0000-0003-3245-4931
  • Caroline Brose Department of Organismal Biology and Ecology, Colorado College, Colorado Springs, CO 80903, USA. https://orcid.org/0000-0003-3403-5837
  • Mark Wilson Department of Organismal Biology and Ecology, Colorado College, Colorado Springs, CO 80903, USA. https://orcid.org/0000-0003-3044-7471




Aenigma species, endemic species, montane forests, neotropics, phylogeny, taxonomy


A new species, Andinia peruviana, from Amazonas department, Peru, is described and illustrated. Updated phylogenetic analyses of nuclear internal transcribed spacer (nrITS) sequences in this study re-affirm the monophyletic nature of Andinia sensu lato and further support the previously proposed circumscription which incorporated genera Lueranthos, Masdevalliantha, Neooreophilus, and Xenosia. Andinia subgenus Aenigma was strongly supported in all analyses. The new species was determined phylogenetically to belong to subgenus Aenigma, along with A. barbata, A. dalstroemii, A. hirtzii, A. pogonion, A. schizopogon and A. uchucayensis. The phylogenetically-confirmed representatives of subgenus Aenigma are illustrated with drawings and photographs, and their geographic distribution is discussed. The updated phylogenetic analyses also show the corrected phylogenetic positions of A. vestigipetala, as the sole representative of the clade corresponding to subgenus Minuscula, and A. trimytera, as a member of the clade corresponding to subgenus Andinia.


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How to Cite

Ocupa-Horna, L., Vieira-Uribe, S., Ward, R., Brose, C., & Wilson, M. (2022). A new species of &lt;i&gt;Andinia&lt;/i&gt; (Pleurothallidinae) from Peru and an updated phylogenetic analysis of the genus with emphasis on subgenus &lt;i&gt;Aenigma&lt;/i&gt;. Lankesteriana: International Journal on Orchidology, 22(3), 241–262. https://doi.org/10.15517/lank.v22i3.53319

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