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Chromosome numbers of Angiosperms collected in the state of São Paulo

James R. Coleman

Departamento de Botânica, Instituto de Biociências, Letras e Ciências Exatas, UNESP, 15100 São José do Rio Preto, SP, Brasil

ABSTRACT

Chromosome counts are presented for 54 species belonging to 33 genera and 20 families of angiosperms from the State of São Paulo, Brazil. Thirty-three species and three genera are reported for the first time. The initial generic reports are in Eriope (Labiatae), x = 20, Rhamnidium (Rhamnaceae), x = 12, and Tocoyena (Rubiaceae), x = 11. New basic numbers are reported in Camptosema (Leguminosae), n = 10,Cassearia (Flacourtiaceae), n = 11, Cordia (Borraginaceae), n = 9, Cuphea (Lythraceae), n = 7, Jungia (Compositae), n = 20, Lippia (Verbenaceae), n = 12 and Lithraea (Anacardiaceae), n = 15. A brief review is presented of the literature pertaining to chromosome studies in the genera investigated.

Keywords: chromosome; Angiosperms.

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