Cytology of Five Mexican Species of Datura L. (Solanaceae)

30 March 1988

journal article
research article
Published by JSTOR in The Southwestern Naturalist

Vol. 33 (1) , 85-90
https://doi.org/10.2307/3672092

Abstract

An analysis of various karyotypic features is presented for the following Mexican species: Datura Discolor, Datura inoxia, Datura lanosa, Datura stramonium, and Datura wrightii. The following factors are reported, and their evolutionary significance are discussed: somatic chromosome number (2n = 24), major chromosome arm number (fn = 24), based chromosome number (x = 12), total chromatin length, presence of secondary constrictions or satellites and index of asymetry of karyotypes (T.F. %).

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