ThyrsanthemumThyrsanthemum is a genus of plants in the Commelinaceae, first described in 1946. The entire genus is endemic to Mexico.SpeciesFour species are accepted.Thyrsanthemum floribundum Pichon - Guerrero, Jalisco, Oaxaca, Michoacán, Hidalgo, PueblaThyrsanthemum goldianum D.R.Hunt - Guerrero, Michoacán, México State, NayaritThyrsanthemum laxiflorum – central and southwestern MexicoThyrsanthemum macrophyllum Rohweder - Oaxaca