Vanilla pompona Schiede: Morphological variation of the labellum in localities of Veracruz, Puebla, Jalisco and Oaxaca, Mexico

Cecilia Viveros-Antonio; Adriana Delgado-Alvarado; Angel Bustamante-González; Jesús Hernández-Ruíz; Ma. de Loudes Arévalo-Galarza; Braulio Edgar Herrera-Cabrera

doi:10.20944/preprints202309.0894.v2

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preprints.org > biology and life sciences > ecology, evolution, behavior and systematics > doi: 10.20944/preprints202309.0894.v2

Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Vanilla pompona Schiede: Morphological variation of the labellum in localities of Veracruz, Puebla, Jalisco and Oaxaca, Mexico

Cecilia Viveros-Antonio

Adriana Delgado-Alvarado

^* ,

Angel Bustamante-González

Jesús Hernández-Ruíz

Ma. de Loudes Arévalo-Galarza

Braulio Edgar Herrera-Cabrera

Version 1 : Received: 12 September 2023 / Approved: 13 September 2023 / Online: 14 September 2023 (03:51:25 CEST)
Version 2 : Received: 15 September 2023 / Approved: 18 September 2023 / Online: 19 September 2023 (07:50:30 CEST)

A peer-reviewed article of this Preprint also exists.

Viveros-Antonio, C.; Delgado-Alvarado, A.; Bustamante-González, A.; Hernández-Ruíz, J.; Arévalo-Galarza, M.L.; Herrera-Cabrera, B.E. Vanilla pompona Schiede (Vanilloideae-Orchidaceae): Morphological Variation of the Labellum in the Mexican Localities of Veracruz, Puebla, Jalisco and Oaxaca. Diversity 2023, 15, 1125. Viveros-Antonio, C.; Delgado-Alvarado, A.; Bustamante-González, A.; Hernández-Ruíz, J.; Arévalo-Galarza, M.L.; Herrera-Cabrera, B.E. Vanilla pompona Schiede (Vanilloideae-Orchidaceae): Morphological Variation of the Labellum in the Mexican Localities of Veracruz, Puebla, Jalisco and Oaxaca. Diversity 2023, 15, 1125.

Abstract

Vanilla pompona is the third most important commercial species of the genus Vanilla, but its morphometric variation is little known. In orchids, infraspecific variation is expressed in the labellum. This study had the objective of analyzing the floral variation of V. pompona collections from localities in Veracruz, Puebla, Jalisco and Oaxaca, Mexico. During the flowering period, we obtained 55 collections of V. pompona flowers, and in the dissected labellum of each flower 54 lines and 7 angles were measured and portrayed with the ImageJ program. With the data obtained, we performed an analysis of variance, a principal components analysis, and a cluster analysis. The results showed significant differences among the collections and localities in the means of the lines of the basal, middle, and apical regions of the labellum. Also, six morphotypes were obtained, and we found that variation was associated with factors such as the environment, geographic barriers, and pollinator pressure. Moreover, we observed variation in flowering dates in one locality of Veracruz. We concluded that there is infraspecific variation within and between the collection localities of V pompona of the Atlantic region (Puebla and Veracruz) and the Pacific region (Jalisco and Oaxaca), Mexico.

Keywords

orchids; morphometry; vanilla; infraespecific variation

Subject

Biology and Life Sciences, Ecology, Evolution, Behavior and Systematics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Comments (1)

Comment 1

Received: 19 September 2023
Commenter: Braulio Herrera-Cabrera
Commenter's Conflict of Interests: Author

Comment: Reference citation 53, which was not cited, was added to the main text. (page 14).

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