Phylogeny and biogeography of the genus Zornia (Leguminosae: Papilionoideae: Dalbergieae)

Autor(es)

Fortuna-Perez, Ana Paula ^{[1, 2]} ; da Silva, Marcos Jose ^[3] ; de Queiroz, Luciano Paganucci ^[4] ; Lewis, Gwilym Peter ^[5] ; Simoes, Andre Olmos ^[1] ; Goulart de Azevedo Tozzi, Ana Maria ^[1] ; Sarkinen, Tiina ^[6] ; de Souza, Anete Pereira ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Campinas, Inst Biol, Dept Biol Vegetal, Programa Posgrad Biol Vegetal, BR-13083970 Campinas, SP - Brazil

^[2] Univ Fed Ouro Preto, ICEB, Dept Biodiversidade Evolucao & Meio Ambiente, BR-35400000 Ouro Preto, MG - Brazil

^[3] Univ Fed Goias, Inst Ciencias Biol, Dept Biol Geral, BR-74001970 Goiania, Go - Brazil

^[4] Univ Estadual Feira de Santana, BR-44031460 Feira De Santana, BA - Brazil

^[5] Kew, Royal Bot Gardens, Herbarium, Richmond TW9 3AB, Surrey - England

^[6] Nat Hist Museum, Dept Life Sci, Plant Div, London SW7 5BD - England

• Tipo de documento: Artigo Científico
• Fonte: Taxon; v. 62, n. 4, p. 723-732, AUG 2013.
• Citações Web of Science: 6

Resumo

The genus Zornia has a pantropical distribution and comprises 80 species in two subgenera (Myriadena, Zornia) and three sections (Zornia, Isophylla, Anisophylla). The genus is characterized mainly by flowers arranged in a spiciform inflorescence, with paired peltate bracteoles protecting each flower, and stipules that resemble the bracteoles. Phylogenetically Zornia is a member of the informal Adesmia clade of the Dalbergioid group, being most closely related to the predominantly South American genera Poiretia and Amicia. Phylogenetic analyses of DNA sequence data from the internal transcribed spacer region of nuclear ribosomal DNA and the plastid trnL-trnF intron and spacer, including multiple accessions of species of all subgenera and sections, support the monophyly of Zornia and indicate that Poiretia is sister to Zornia. All traditional subgenera and sections of Zornia are resolved as para- or polyphyletic in our study. Nevertheless, two major clades can be recognized. Time-calibrated phylogenetic analyses suggest that most Zornia species diverged 8-10 Ma and reveal that only one migratory event occurred within the genus ca. 5 Ma from America to the Old World probably via long-distance dispersal. (AU)

• Processo FAPESP: 06/61648-4 - O gênero Zornia (Leguminosae, Papilionoideae, Dalbergieae) no Brasil: revisão taxonômica e filogenia
• Beneficiário: Ana Maria Goulart de Azevedo Tozzi
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 00/12469-3 - Estudos morfológicos, anatômicos, histoquímicos e ultra-estruturais em plantas do Cerrado (Senso lato) do estado de São Paulo
• Beneficiário: Silvia Rodrigues Machado
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOTA - Temático