Two new species of Octomeria (Orchidaceae, Pleurothallidinae) and two new country records from Ecuador

Collection: Pensoft Publishers

Keywords: Morona Santiago · Topics: Botany, Ecology, and Taxonomy Studies, Plant and animal studies, Biological and pharmacological studies of plants

Octomeria (Orchidaceae) is a genus of predominantly epiphytic herbs distributed from Belize to Argentina. Ecuador hosts 30 species of Octomeria, making it one of the most species-rich countries for the genus. In Ecuador, most species occur in the south-eastern province of Zamora-Chinchipe. Two new species of Octomeria (O. ivouquillasii and O. tricarinata) from Ecuador are described and illustrated. Taxonomic affinities between the new taxa and their nearest related species are discussed and information regarding habitat ecology is provided. Additionally, two related species (O. oncidioides and O. odontoglossoides) have been reported in south-eastern Ecuador for the first time. Additional notes regarding O. candidae are included, correcting the collection number of the type material.

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