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Gene flow and diversification in a species complex of Alcantarea inselberg bromeliads

Lexer, Christian ; Marthaler, Fabienne ; Humbert, Sarah ; Barbará, Thelma ; de la Harpe, Marylaure ; Bossolini, Eligio ; Paris, Margot ; Martinelli, Gustavo ; Versieux, Leonardo M.

In: Botanical Journal of the Linnean Society, 2016, vol. 181, no. 3, p. 505-520

Systematics of Vriesea (Bromeliaceae): phylogenetic relationships based on nuclear gene and partial plastome sequences

Machado, Talita Mota ; Loiseau, Oriane ; Paris, Margot ; Weigand, Anna ; Versieux, Leonardo M ; Stehmann, João Renato ; Lexer, Christian ; Salamin, Nicolas

In: Botanical Journal of the Linnean Society, 2020, vol. 192, no. 4, p. 656–674

Vriesea is the second largest genus in Tillandsioideae, the most diverse subfamily of Bromeliaceae. Although recent studies focusing on Tillandsioideae have improved the systematics of Vriesea, no consensus has been reached regarding the circumscription of the genus. Here, we present a phylogenetic analysis of core Tillandsioideae using the nuclear gene phyC and plastid data obtained from...

Gene flow and diversification in a species complex of Alcantarea inselberg bromeliads

Lexer, Christian ; Marthaler, Fabienne ; Humbert, Sarah ; Barbará, Thelma ; Harpe, Marylaure de la ; Bossolini, Eligio ; Paris, Margot ; Martinelli, Gustavo ; Versieux, Leonardo M.

In: Botanical Journal of the Linnean Society, 2016, vol. 181, no. 3, p. 505–520

Inselberg-adapted species of bromeliads (Bromeliaceae) have been suggested as model systems for understanding the evolutionary genetics of species complexes and radiations in terrestrial, island-like environments. Bromeliads are particularly suitable for addressing the potential roles of interspecific gene exchange during plant speciation and radiation. We have studied populations of five...

Molecular phylogenetics of the Brazilian giant bromeliads (Alcantarea, Bromeliaceae): implications for morphological evolution and biogeography

Versieux, Leonardo M. ; Barbará, Thelma ; Wanderley, Maria das Graças Lapa ; Calvente, Alice ; Fay, Michael F. ; Lexer, Christian

In: Molecular Phylogenetics and Evolution, 2012, p. -

The genus Alcantarea comprises near 30 species endemic to rocky outcrops from eastern Brazil. Most species are ornamental and several are threatened due to habitat loss and over collection. In this paper we examine the phylogenetics of Alcantarea and its relationship with the Brazilian members of Vriesea, a genus of which Alcantarea has been treated as a subgenus. We discuss the morphological...