Publicación:
A Reappraisal of Neotropical Vanilla. With A Note On Taxonomic Inflation and The Importance of Alpha Taxonomy in Biological Studies
A Reappraisal of Neotropical Vanilla. With A Note On Taxonomic Inflation and The Importance of Alpha Taxonomy in Biological Studies
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Fecha
2020
Autores
Karremans A.P.
Chinchilla I.F.
Rojas-Alvarado G.
Cedeño-Fonseca M.
Damián A.
Léotard G.
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Jardin Botanico Lankester
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Abstracto
Despite the long-standing cultural importance and botanical interest in Vanilla, many taxa belonging to the genus remain poorly understood. Vanilla species generally have broad geographical and ecological distributions. Most species are found in multiple countries, while local endemics are rare. Many names proposed in the eighteen and nineteenth centuries remain cryptic and unused despite having priority over more recently proposed names. Relatively few Vanilla species have been well-documented, both locally and across their entire distribution range, while a signifcant portion of novelties have been proposed on the basis of very few specimens that are compared only with local foras. After careful inspection of the type materials, living plants, botanical illustrations, photographs and hundreds of additional herbarium specimens of Vanilla we tentatively recognize 62 species for the Neotropics. The taxonomy of Vanilla columbiana, V. hartii, V. inodora, V. karen-christianae, V. marowynensis, V. mexicana, V. odorata, V. phaeantha, V. planifolia, and V. pompona is revised. An updated typifcation, description, photographs, illustrations, list of studied specimens, distribution map, extent of occurrence and discussion is provided for each of the ten species. Taxonomic proposals include 28 new synonyms, 14 lectotypifcations, and one neotypifcation. We stress on the importance of alpha-taxonomy for biological studies, emphasizing on the detrimental effects of taxonomic infation and incorrect species determination on the inference of speciation rates, the understanding of biogeographical patterns, the correct estimation of ecological niches, seed dispersal studies, phylogenetic and genomic studies, and the assessments of conservation priorities, among others. Finally, the recently proposed genus Miguelia is placed under the synonymy of Vanilla. © 2021. All Rights Reserved.
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Palabras clave
Vanilla columbiana,
Conservation,
distribution,
Miguelia,
typifcation,
V. hartii,
V. inodora,
V. karen-christianae,
V. marowynensis,
V. mexicana,
V. odorata,
V. phaeantha,
V. planifolia,
V. pompona