Standleyanthus is a genus of Central American 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.Tropicos, Standleyanthus R.M. King & H. Rob.
The genus is named after US botanist Paul Carpenter Standley (1884-1963).Williams, Louis O. "Paul Carpenter Standley". Taxon, vol 7. 1963.Washington Biologists' Field Club, USGS Patuxent Wildlife Research Center, Paul Carpenter Standley The Latin specific epithet of triptychus is a compound word with 'tri' meaning three and 'ptychus' meaning plate.
Species The only known species is Standleyanthus triptychus, which is native to Costa Rica.Flann, C (ed) 2009+ Global Compositae Checklist
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