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Type: Article
Published: 2018-11-20
Page range: 177–184
Abstract views: 22
PDF downloaded: 1

A new species and a new combination in Stelis (Orchidaceae: Pleurothallidinae) from Ecuador

Centro de Tenencia Orquiecuador y Gloxinias, Sucre y García Moreno, esquina frente al Parque central, 071050 Piñas, El Oro, Ecuado
Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Hornos 1003, Santa Cruz Xoxocotlán, 71230, Oaxaca, México.
Crocodeilanthe Stelis rostriformis S. sagittata semi-deciduous montane forest taxonomy Monocots


A new orchid species in Stelis is described and illustrated. It was discovered in semi-deciduous montane forest in Southwestern Ecuador. The new species is named Stelis rostriformis. Information about its distribution, habitat, phenology, and conservation status is provided. The new taxon is a member of Crocodeilanthe, a group that has previously been considered as a different genus or as a subgenus of Pleurothallis, but the available evidence indicates that it turns out to be non-monophyletic. The new species is compared with other morphologically similar, such as S. batillacea, S. cyathiflora, S. galeata and S. gargantua. Additionally, Stelis sagittata is proposed as a new name for Pleurothallis jamesonii since the combination of it in Stelis proved be illegitimate because the earlier existence of Stelis jamesonii.