Mexianthus is a genus of Mexican flowering plants in the tribe Eupatorieae within the family Asteraceae.D.J.N.Hind & H.E.Robinson. 2007. Tribe Eupatorieae In: The Families and Genera of Vascular Plants vol.VIII. (Joachim W.Kadereit & Charles Jeffrey, volume editors. Klaus Kubitzky, general editor). Springer-Verlag. Berlin, Heidelberg.
The genus is named in honor of its discoverer, Mexican-American plant collector Ynés Mexía.Robinson, Benjamin Lincoln. 1928. Contributions from the Gray Herbarium of Harvard University 80: 5-6 descriptions in Latin, commentary in English
Species There is only one known species, Mexianthus mexicanus, native to the State of Jalisco in western Mexico.The Plant List, Mexianthus mexicanus B.L.Rob.Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272.
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