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Comparettia sotoana (Orchidaceae: Oncidiinae), a new Ecuadorian specieS

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Pupulin, Franco
Merino, Gilberto

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Universidad de Costa Rica

Abstract

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A new species of Comparettia, C. sotoana, is described and illustrated from the province of Morona- Santiago, in southeastern Ecuador. Comparettia sotoana is compared with Comparettia langkastii, from which it mainly differs by the laterally flattened leaves, the subumbellate (vs. distichous), several-flowered (vs. 2-flowered) inflorescence, the short, straight sepaline spur (vs. long, curved), and the ovate-subpandurate lip with a cuspidate midlobe (vs. pandurate with a deeply retuse, apiculate midlobe) provided with digitateconical basal processes, uncinate at apex and expanded into rounded knobs (vs. straight, acuminate), and lacking apical calli (present in C. langkastii).
Se describe e ilustra una nueva especie de Comparettia, C. sotoana, de la provincia de Morona- Santiago en la región suroriental de Ecuador. Comparettia sotoana se compara con Comparettia langkastii, de la cual difiere particularmente por las hojas lateralmente aplanadas, la inflorescencia umbelada (vs. dística) de varias flores (vs. biflora), el espolón sepalino corto y recto (vs. largo e curvo) y el labelo ovado-subpandurado con un lóbulo mediano cuspidado (vs. pandurado con lóbulo mediano profundamente retuso y apiculado), provisto de procesos basales digitado-cónicos, apicalmente en forma de garfio y ensanchados en terminaciones globosas (vs. rectos, agudos) y carente de callos apicales (presentes en C. langkastii).

Keywords

orchidaceae, oncidiinae, comparettia, c, sotoana, new species, ecuador, orchidaceae, oncidiinae, comparettia, c, sotoana, new species, ecuador

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