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dc.creatorSalazar Chávez, Gerardo Adolfo
dc.creatorNogueira Batista, João Aguiar
dc.creatorCabrera Martínez, Lidia Irene
dc.creatorvan den Berg, Cassio
dc.creatorWhitten, W. Mark
dc.creatorSmidt, Eric
dc.creatorBuzatto, Cristiano Roberto
dc.creatorBustos Singer, Rodrigo
dc.creatorGerlach, Günter
dc.creatorJiménez Machorro, Rolando
dc.creatorRadins, José A.
dc.creatorInsaurralde, Irma S.
dc.creatorGuimarães, Leonardo Ramos Seixas
dc.creatorde Barros, Fábio
dc.creatorTobar Suárez, Francisco
dc.creatorRodríguez Linares, José Luis
dc.creatorMújica Benítez, Ernesto
dc.creatorDressler, Robert L.
dc.creatorBlanco Coto, Mario Alberto
dc.creatorHágsater, Eric
dc.creatorChase, Mark W.
dc.date.accessioned2021-12-02T16:38:49Z
dc.date.available2021-12-02T16:38:49Z
dc.date.issued2018
dc.identifier.citationhttps://academic.oup.com/botlinnean/article/186/3/273/4916894
dc.identifier.issn1095-8339
dc.identifier.urihttps://hdl.handle.net/10669/85389
dc.description.abstractSubtribe Spiranthinae is the most species-rich lineage of terrestrial Neotropical orchids, encompassing > 500 species and 40 genera. We conducted maximum parsimony and maximum likelihood phylogenetic analyses of DNA sequence data of plastid matK-trnK and trnL-trnF and nuclear ribosomal ITS sequences for 36 genera and 182 species of Spiranthinae plus appropriate outgroups. The results strongly support monophyly of Spiranthinae (minus Discyphus, Discyphinae and Galeottiella, Galeottiellinae) and five major lineages, namely monospecific Cotylolabium (sister to the remaining Spiranthinae) and the Eurystyles, Pelexia, Spiranthes and Stenorrhynchos clades. Eighteen of the 27 genera of Spiranthinae for which more than one species was included in our analyses are monophyletic. Paraphyly of large genera, such as Cyclopogon and Sarcoglottis, resulted from segregation of particular species or groups of species exhibiting minor modifications of structures directly involved in pollination (e.g. nectary, rostellum and viscidium). Conversely, polyphyly has resulted from convergent evolution of floral attributes in distantly related species (e.g. Mesadenus). Some of the morphological characters used traditionally for generic delimitation and in nonmolecular cladistic analyses of Spiranthinae are discussed against the evolutionary framework set by our molecular trees, emphasizing putative synapomorphies and problems derived from inappropriate character coding or incorrect homology assessments. Our ancestral area analysis indicates that Spiranthinae originated in eastern South America, with subsequent migrations and secondary radiations in Mesoamerica and North America, plus a derived migration from the latter region to the Old World (Spiranthes).es_ES
dc.description.sponsorshipUniversidad Nacional Autónoma de México/[]/UNAM/Méxicoes_ES
dc.description.sponsorshipAmerican Orchid Society/[]/AOS/Estados Unidoses_ES
dc.description.sponsorshipConsejo Nacional de Ciencia y Tecnología/[]/CONACYT/Méxicoes_ES
dc.language.isoenges_ES
dc.sourceBotanical Journal of the Linnean Society, vol.186(3), pp.273-303es_ES
dc.subjectAncestral areaes_ES
dc.subjectFloral morphologyes_ES
dc.subjectHomologyes_ES
dc.subjectHomoplasyes_ES
dc.subjectMolecular phylogeneticses_ES
dc.subjectPollination syndromees_ES
dc.subjectTaxonomyes_ES
dc.titlePhylogenetic systematics of subtribe Spiranthinae (Orchidaceae: Orchidoideae: Cranichideae) based on nuclear and plastid DNA sequences of a nearly complete generic samplees_ES
dc.typeartículo científico
dc.identifier.doi10.1093/botlinnean/box096
dc.description.procedenceUCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Agroalimentarias::Jardín Botánico Lankester (JBL)es_ES


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