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.
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15 December 2016
A New Brachionidium (Orchidaceae: Pleurothallidinae) from the First Botanical Expedition to the Volcán Cacho Negro, Costa Rica
Diego Bogarín,
Adam P. Karremans
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Systematic Botany
Vol. 41 • No. 4
Oct-Dec 2016
Vol. 41 • No. 4
Oct-Dec 2016
Brachionidium cornu-nigricum
Braulio Carrillo National Park
new species
taxonomy