Pachythamnus is a genus of Mesoamerican flowering plants in the tribe Eupatorieae within the family Asteraceae.[2][4]
The only known species is Pachythamnus crassirameus, native to Guatemala, Nicaragua, El Salvador, and central and southern Mexico.[1]
Ageratina is derived from Greek meaning 'un-aging', in reference to the flowers keeping their color for a long time. This name was used by Dioscorides for a number of different plants.[5]
Pachythamnus is a genus of Mesoamerican flowering plants in the tribe Eupatorieae within the family Asteraceae.
SpeciesThe only known species is Pachythamnus crassirameus, native to Guatemala, Nicaragua, El Salvador, and central and southern Mexico.