Tetrachyron

Tetrachyron is a genus of Mesoamerican plants in the sunflower tribe within the daisy family.[2][3][4]

Species[1][5][6][7]

• 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

formerly included[1]

Tetrachyron
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Heliantheae[1]
Genus:	Tetrachyron Schltdl.
Type species
Tetrachyron manicatum[2] Schltdl.
Synonyms[1]
Tephrocalea A.Gray Calea sect. Tetrachyron (Schltdl.) Benth. & Hook.f. Calea subg. Tephrocalea (A.Gray) B.L.Rob. & Greenm.

see Calea

• Tetrachyron oaxacana - Calea oaxacana

References

1. Flann, C (ed) 2009+ Global Compositae Checklist search for Tetrachyron Archived 2014-11-06 at Archive.today
2. Schlechtendal, Diederich Franz Leonhard von . 1847. Linnaea 19: 744-746 in Latin
3. Tropicos, Tetrachyron Schltdl.
4. Wussow, J. R. & L. E. Urbatsch. 1979 [1980]. A systematic study of the genus Tetrachyron (Asteraceae: Heliantheae). Systematic Botany 4(4): 297–318
5. The Plant List search for Tetrachyron
6. García-Mendoza, A. J. & J. A. Meave. 2011. Diversidad Florística de Oaxaca: de Musgos a Angispermas 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria D.F..
7. Strother, J. L. 1999. Compositae–Heliantheae s. l. 5: 1–232. In D.E. Breedlove (ed.) Flora of Chiapas. California Academy of Sciences, San Francisco