Three widespread ploidy levels have evolved in Claytonia virginica, a diploid represented by n = 8, 7, and 6 races, a triploid primarily by n = 12 and 11, and a tetraploid by n = 16, 15, 14, and other aneutetraploids. In addition, sporadic higher polyploids (5x–24x) occur throughout eastern North America. These data are considered briefly in relation to meiotic behavior, to coexistence of major cytotypes, and to speciation.
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Lewis et al. (1977) studied this question.
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