Tetrachyron

Tetrachyron is a genus of Mesoamerican plants in the tribe Heliantheae within the family Asteraceae.


 * Species
 * Tetrachyron brandegeei (Greenm.) Wussow & Urbatsch - Oaxaca, Puebla
 * Tetrachyron discolor (A.Gray) Wussow & Urbatsch - Hidalgo
 * Tetrachyron grayi (Klatt) Wussow & Urbatsch - Tamaulipas, Nuevo León
 * Tetrachyron manicatum Schltdl. - Oaxaca, Veracruz
 * Tetrachyron orizabaensis (Klatt) Wussow & Urbatsch - Guatemala, Chiapas, Oaxaca, Puebla, Veracruz
 * Tetrachyron torresii B.L.Turner - Oaxaca
 * Tetrachyron websteri (Wussow & Urbatsch) B.L.Turner - Tamaulipas, Hidalgo, Querétaro

see Calea
 * formerly included
 * Tetrachyron oaxacana - Calea oaxacana