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The identity and distribution of Lophiaris carthagenensis (Orchidaceae, Oncidiinae): two centuries of confusion

Por: Cetzal Ix, William Rolando [autor/a].
Balam Narváez, Ricardo [autor/a].
Tipo de material: Artículo ArtículoTema(s): Lophiaris carthagenensis | Orquídeas | Variación morfológica | Hibridación | FitogeografíaTema(s) en inglés: Lophiaris carthagenensis | Orchids | Morphological variation | hybridization | Phytogeography | Reforma (Parada Bonanza), Acacoyagua (Chiapas, Mexico)Descriptor(es) geográficos: Reforma (Parada Bonanza), Acacoyagua (Chiapas, México) | Mixcum, Cacahoatán (Chiapas, México) | América Central | América del Sur Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: The Journal of the Torrey Botanical Society. volumen 139, número 1 (Jan 2012), páginas 9-25. --ISSN: 1095-5674Número de sistema: 50739Resumen:
Inglés

We recircumscribe Lophiaris carthagenensis (Jacq.) Braem, a species from northern Colombia and Venezuela, and L. oerstedii (Rchb. f.) R. Jiménez, Carnevali & Dressler, from northeastern Mexico to southwest Honduras and Nicaragua. Furthermore, we elevate Oncidium oerstedii var. crispiflorum Schltr. to the status of species as Lophiaris crispiflora (Schltr.) Balam & Cetzal, for populations treated formally as L. carthagenensis of eastern Honduras and central-northeastern Nicaragua to northwest of Panama. Lophiaris carthagenensis is distinguished from L. crispiflora and L. oerstedii by the white or greenish flowers with red brown, wine or magenta spots, characters of the callus, and its disjunct distribution. Finally, we describe and illustrate a new natural hybrid, Lophiaris × oerstelurida Cetzal & Balam. The proposed hybrid is known from a specimen collected in the Colonia Reforma, Acacoyagua, Chiapas, Mexico. Previously, this specimen had been incorrectly proposed as the first record of L. carthagenensis for Mexico; however, the floral morphology suggests it is a natural hybrid between L. oerstedii and L. lurida (Lindl.) Braem.

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We recircumscribe Lophiaris carthagenensis (Jacq.) Braem, a species from northern Colombia and Venezuela, and L. oerstedii (Rchb. f.) R. Jiménez, Carnevali & Dressler, from northeastern Mexico to southwest Honduras and Nicaragua. Furthermore, we elevate Oncidium oerstedii var. crispiflorum Schltr. to the status of species as Lophiaris crispiflora (Schltr.) Balam & Cetzal, for populations treated formally as L. carthagenensis of eastern Honduras and central-northeastern Nicaragua to northwest of Panama. Lophiaris carthagenensis is distinguished from L. crispiflora and L. oerstedii by the white or greenish flowers with red brown, wine or magenta spots, characters of the callus, and its disjunct distribution. Finally, we describe and illustrate a new natural hybrid, Lophiaris × oerstelurida Cetzal & Balam. The proposed hybrid is known from a specimen collected in the Colonia Reforma, Acacoyagua, Chiapas, Mexico. Previously, this specimen had been incorrectly proposed as the first record of L. carthagenensis for Mexico; however, the floral morphology suggests it is a natural hybrid between L. oerstedii and L. lurida (Lindl.) Braem. eng

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