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Karyotype Analysis in Some Genera of Compositae. VIII. Further Studies on the Chromosomes of Aster
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1962
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CytogeneticsGeneticsKaryotype AnalysisZoological TaxonomyPhylogenetic AnalysisKaryotype ImagingPhylogeneticsMolecular EcologyEvolutionary TaxonomyPhylogeny ComparisonFurther StudiesMorphological EvidenceGenetic VariationPlant TaxonomyBiologyNatural SciencesEvolutionary BiologyPhylogenetic MethodA. AgeratoidesAsiatic SpeciesMedicinePlant PhylogenyKobe U.
Huziwara, Y. (Kobe U., Mikage, Kobe, Japan.) Karyotype analysis in some genera of Compositae. VIII. Further studies on the chromosomes of Aster. Amer. Jour. Bot. 49 (2) : 116–119. Illus. 1962.—The karyotypes of 3 Asiatic and 3 American taxa of Aster are reported here for the first time. These are: A. ageratoides subsp. sugimotoi (Kitamura) Kitamura 2n = 36, A. ageratoides subsp. (Taxon AIII) 2n = 72, A. himalaicus C. B. Clarke 2n = 18, A. ericoides L. 2n = 32, A. meritus A. Nels. 2n = 27, A. umbellatus Mill. 2n = 18. Two American taxa, namely, A. meritus and A. umbellatus, are considered to be ancestral taxa which have retained primitive karyotypes similar to those of Asiatic species of Aster.