2011
DOI: 10.1093/aob/mcr080
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Evolution of oil-producing trichomes in Sisyrinchium (Iridaceae): insights from the first comprehensive phylogenetic analysis of the genus

Abstract: Glandular trichomes evolved three times independently in the genus. In two cases, these glandular trichomes are oil-secreting, suggesting that the corresponding flowers might be pollinated by oil-bees. Biogeographical patterns indicate expansions from Central America and the northern Andes to the subandean ranges between Chile and Argentina and to the extended area of the Paraná river basin. The distribution of oil-flower species across the phylogenetic trees suggests that oil-producing trichomes may have play… Show more

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Cited by 49 publications
(93 citation statements)
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References 49 publications
(70 reference statements)
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“…Atualmente, uma maior resolução filogenética para complexos de gêneros ou espécies de Iridaceae tem sido obtida combinando análises moleculares, citogenética, morfologia, biologia floral e biogeografia (GOLDBLATT, BERNHARDT & MANNING, 2002;WILSON, 2003WILSON, , 2004WILSON, , 2011RODRIGUEZ, SYTSMA, 2006;PETERSEN et al, 2008;CHAUVEAU et al, 2011CHAUVEAU et al, , 2012LOVO;WINKWORTH & MELLO-SILVA, 2012;KARST & WILSON, 2012).…”
Section: Marcadores Molecularesunclassified
“…Atualmente, uma maior resolução filogenética para complexos de gêneros ou espécies de Iridaceae tem sido obtida combinando análises moleculares, citogenética, morfologia, biologia floral e biogeografia (GOLDBLATT, BERNHARDT & MANNING, 2002;WILSON, 2003WILSON, , 2004WILSON, , 2011RODRIGUEZ, SYTSMA, 2006;PETERSEN et al, 2008;CHAUVEAU et al, 2011CHAUVEAU et al, , 2012LOVO;WINKWORTH & MELLO-SILVA, 2012;KARST & WILSON, 2012).…”
Section: Marcadores Molecularesunclassified
“…Assim, o surgimento da produção de óleo aconteceu nas linhagens basais do gênero e a perda ocorreu mais de uma vez independentemente, com a troca para sistemas menos especializados, como adaptação a regiões onde as abelhas coletoras de óleo são escassas, como as áreas mais altas ou de latitude menor. Em outro grupo de plantas coletoras de óleo, onde a reconstrução dos caracteres ancestrais através da filogenia foi realizada, Sysirinchium (Iridaceae), este padrão de perda da produção de óleo em áreas temperadas onde os coletores de óleo especializados nestas plantas não ocorrem, também foi encontrada (Chauveau et al 2011).…”
Section: Mapeamento Das Interações Nas Filogeniasunclassified
“…South America has been suggested as the center of origin and distribution of Sisyrinchium L. (Iridaceae: Iridoideae: Sisyrinchieae) species (Chauveau et al, 2011). Sisyrinchium species occur in naturally fragmented habitats, which can lead to low gene flow and isolation among populations.…”
Section: Introductionmentioning
confidence: 99%
“…The study of the genus Sisyrinchium is highly complex owing to the lack of reliable morphological apomorphies (Henderson, 1976), unresolved phylogenetic relationships at the species level (Chauveau et al, 2011;Karst and Wilson, 2012), reticulate evolution driven by polyploidy (Tacuatiá et al, 2012a,b;Alves et al, 2014), and hybridization (Henderson, 1976;Cholewa and Henderson, 1984;Yamaguchi and Hirai, 1987). The most complete phylogenetic study of Sisyrinchium performed by Chauveau et al (2011) strongly suggests that species classified in section Hydastylus and section Viperella belong to a single group of plants that has undergone a recent adaptive radiation (Clade IV). In addition, the putative occurrence of incomplete lineage sorting within this clade may be partly explained by the low level of discrimination observed between species.…”
Section: Introductionmentioning
confidence: 99%