Hymenothrix Explained

Hymenothrix is a small genus of North American flowering plants in the daisy family known as thimbleheads. They are native to the southwestern United States and northern Mexico.^[1]

These are spindly, erect annual, biennial, and perennial herbs with white or yellow flowers.^[2]

SpeciesThe following species are recognised in the genus Hymenothrix:^{[3] [4] [5]}

• Hymenothrix autumnalis - Coahuila, Nuevo León
• Hymenothrix biternata - United States (Arizona New Mexico)
• Hymenothrix dissecta - Baja California, Sonora, Chihuahua, Coahuila, United States (California Arizona New Mexico Texas Nevada Utah Colorado Wyoming South Dakota)
• Hymenothrix glandulopubescens
• Hymenothrix greenmanii - México State
• Hymenothrix janakosiana - Chihuahua
  • Hymenothrix loomisii - Loomis's thimblehead - California Nevada Arizona Hymenothrix palmeri - Chihuahua
• Hymenothrix pedata - Chihuahua, Coahuila, United States (New Mexico Texas)
  • Hymenothrix wislizeni - Trans-Pecos thimblehead - Chihuahua, Sonora, Arizona New Mexico Texas Hymenothrix wrightii - Wright's thimblehead - Chihuahua, Baja California, California, Arizona, New Mexico and Texas

formerly includedHymenothrix purpurea Brandegee - Florestina purpurea (Brandegee) Rydb.

External links

• Jepson Manual Treatment
• United States Department of Agriculture Plants Profile

Notes and References

1. https://www.biodiversitylibrary.org/page/14225869#page/114/mode/1up Gray, Asa. 1849. Memoirs of the American Academy of Arts and Science, new series 4(1): 102
2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=116150 Flora of North America Hymenothrix A. Gray
3. Web site: Hymenothrix A.Gray Plants of the World Online Kew Science . 2022-06-02 . Plants of the World Online . en.
4. http://www.theplantlist.org/tpl1.1/search?q=Hymenothrix The Plant List search for Hymenothrix
5. http://bonap.net/NAPA/TaxonMaps/Genus/County/Hymenothrix Biota of North America Program 2013 county distribution maps