Abstract
Polymnia mcvaughii from Jalisco, Mexico, is described as new. This herbaceous species appears to belong in the mainstream of evolution within the genus. It exhibits marked affinities to several species, but most closely resemblesP. oaxacana Schultz-Bip. Illustrations of important features are included, along with a list of key characteristics.
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Literature Cited
Munsell Color Co. 1929. Munsell Book of Color. A Revision and Extension of “The Atlas of the Munsell Color System” by A. H. Munsell. Munsell Color Co., Inc., Baltimore, Md.
Wells, James R. 1965. A taxonomic study ofPolymnia (Compositae). Brittonia17: 144–159.
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Wells, J.R. A new species of Polymnia (Compositae: Heliantheae) from Mexico. Brittonia 19, 391–394 (1967). https://doi.org/10.2307/2805536
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DOI: https://doi.org/10.2307/2805536