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Chromosome numbers and the systematics of tribe Vochysieae (Vochysiaceae)
Provedor de dados: 39
Autores: Yamagishi-Costa,Júlia; Barbosa,Andréa Rodrigues; Shimizu,Gustavo Hiroaki; Yamamoto,Kikyo; Forni-Martins,Eliana Regina.
ABSTRACT With five neotropical genera and ca. 220 species, Vochysieae is the largest tribe of Vochysiaceae, comprising more than 90 % of its species. Preliminary phylogenetic analyses with matK sequence data indicated that Vochysieae may be paraphyletic, separated into the clades QRC (Qualea, Ruizterania and Callisthene) and VS (Vochysia, Salvertia). Whether the genera and the infrageneric taxa are artificial is still controversial. In this study, we analyzed the distribution of chromosome numbers in mitotic or meiotic cells among 20 species belonging to the genera Callisthene, Qualea, Salvertia, and Vochysia, that are native and common in Central and Southeast Brazilian forests or savannas. Species of Callisthene and Qualea possessed 2n = 22, while...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Callisthene; Cytotaxonomy; Myrtales; Neotropics; Qualea; Salvertia; Vochysia; Vochysiaceae.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062018000200314