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Documented plant chromosome numbers 1989 1. chromosome numbers in mexican asteraceae with special reference to the tribe tageteae



Documented plant chromosome numbers 1989 1. chromosome numbers in mexican asteraceae with special reference to the tribe tageteae



SIDA Contributions to Botany 13(3): 359-368



Chromosome counts are reported for 24 species of Mexican Asteraceae, 12 of these previously unreported. Newly reported counts include Stevia latifolia, n = 45 I; S. lucida var. bipontini, n = 12 II; Desmanthodium fruticosum, n = 17 II; Viguiera potosina, n = 17 II, Dyssodia glandulosa, n = 13 II; Geissolepis suadaefolia, n = 8 II; Gymnolaena oaxacana, n = 13 II; Leucactinia bracteata, n = 16 II; Machaeranthera stenophylla, n = 4, II; Porophyllum calcicola, n = 12 II; and Pinaropappus multicaulis, n = 9 II. Reports for species of Desmanthodium. Geissolepis and Leucactinia represent new generic counts. Chromosome counts are reported for six species in four genera of the tribe Tageteae and are compared with all numbers previously reported in the tribe. When deemed appropriate, phyletic digressions are made.

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Accession: 007225946

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DOI: 10.2307/41967495


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