CHROMOSOME NUMBERS IN MEXICAN ASTERACEAE |
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| Authors: | B. L. Turner A. M. Powell T. J. Watson Jr. |
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| Affiliation: | Department of Botany, The University of Texas at Austin, Department of Biology, Sul Ross State University, Alpine, Texas Department of Botany, University of Montana, Missoula |
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| Abstract: | Chromosome numbers are reported for 100 collections distributed among 68 species and 46 genera of Mexican Asteraceae. Included are systematic discussions regarding chromosome numbers of the following taxa: Haplopappus spinulosus var. scabrellus (n = 4, 8); Hofmeisteria fasciculata (n = 19), Malperia tenuis (n = 10), and Pleurocoronis laphamioides (n = 9); Cymophora pringlei (2n = 16); Plummera (n = 15); and Porophyllum tridentatum var. crassifolium (n = 15) as related to Chrysactinia and Nicolletia. |
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