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Type: Article
Published: 2020-12-24
Page range: 205–216
Abstract views: 37
PDF downloaded: 2

Maxillaria purpureo-nigra (Orchidaceae: Maxillariinae), a new species from Southwestern Ecuador belonging to Maxillaria sect. Rufescens

Orquiecuador & Gloxinias, Sucre y García Moreno, esquina frente al Parque central, 071050 Piñas, El Oro, Ecuador
Centro de Investigación Científica de Yucatán, A. C., Herbario CICY, Calle 43 núm. 130, Colonia Chuburná de Hidalgo, 97200 Mérida, Yucatán, México Orchid Herbarium of Oakes Ames, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts 02138, USA
Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Hornos 1003, Santa Cruz Xoxocotlán, 71230, Oaxaca, México
Monocots Identification key Maxillaria prunina Mormolyca new taxon taxonomy

Abstract

Maxillaria purpureo-nigra Zambrano, Carnevali & Solano, a new species recently collected in Southwestern Ecuador is described and illustrated. Information concerning its distribution, habitat, phenology, and conservation status is provided. The new taxon is a member of Maxillaria sect. Rufescens, and it is compared with morphologically similar species such as M. culebrica, M. dressleriana, M. hedwigiae, and M. richii. However, we consider that it is more similar to M. prunina, from which it differs by its deep purple flowers, with oblong-elliptic sepals, oblong-lanceolate petals with acute apex, and a lip with an oblong-ovate mid-lobe suffused with dark-purple at the center, including the callus. We also provide a key to the Ecuadorean species of M. sect. Rufescens.