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.Gray, Asa. 1849. Memoirs of the American Academy of Arts and Science, new series 4(1): 102 generic description in Latin, specific description and commentary in English
These are spindly, erect annual, biennial, and perennial herbs with white or yellow flowers.Flora of North America Hymenothrix A. Gray
Species The following species are recognised in the genus Hymenothrix:The Plant List search for HymenothrixBiota of North America Program 2013 county distribution maps 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 included Hymenothrix purpurea Brandegee - Florestina purpurea (Brandegee) Rydb.
References
External links Jepson Manual Treatment United States Department of Agriculture Plants Profile