Contribution to the Study of Malagasy Orchids. XXXIX. Two New Species of Bulbophyllum from Madagascar

Simon Verlynde; Brigitte Ramandimbisoa; Gunter A. Fischer; Tariq Stévart

doi:10.3417/2024878

Simon Verlynde New York Botanical Garden and City University of New York
Brigitte Ramandimbisoa Missouri Botanical Garden
Gunter A. Fischer Missouri Botanical Garden
Tariq Stévart Missouri Botanical Garden

DOI: https://doi.org/10.3417/2024878

Keywords: Ankerana, Bulbophyllum, Madagascar, Orchidaceae, taxonomy

Abstract

Two new species of Bulbophyllum Thouars, B. psittacinum Verlynde & Ramand. and B. vespertilioides Verlynde & Ramand. (Orchidaceae), are recognized and described. Both species are endemic to Madagascar and were found in the Ankerana forest, part of the Ankeniheny-Zahamena corridor (CAZ) protected area in the eastern escarpment forests. These two species belong to section Pantoblepharon Schltr.; B. psittacinum differs from the rest of the section by its conjoined lateral sepals and B. vespertilioides by its larger pseudobulbs, longer inflorescence, and number of flowers. Taxonomic treatments of both species with descriptions, illustrations, distribution, and habitat information as well as preliminary IUCN Red List assessments are provided.