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A New Brachionidium (Orchidaceae: Pleurothallidinae) from the First Botanical Expedition to the Volcán Cacho Negro, Costa Rica
- Bogarín, Diego, Karremans, Adam P.
- Systematic botany 2016 v.41 no.4 pp. 919-923
- African Americans, Orchidaceae, callus, calyx, corolla, new species, plant taxonomy, scientific illustration, taxon descriptions, Costa Rica
- A new species of Brachionidium from Costa Rica is described and illustrated. Brachionidium cornu-nigricum, from the Volcán Cacho Negro, a remote, previously unexplored location in Costa Rica, is most similar to B. filamentosum. It differs in the white sepals, short-acuminate sepals and petals up to 1 cm long, the triangular, unlobed lip, the oblong glabrous callus provided with two small basal lobes, and the eight pollinia.