Varilla is a genus of flowering plants in the family Asteraceae described as a genus in 1849.Gray, Asa. 1849. Memoirs of the American Academy of Arts and Science, new series 4(1): 106–107 generic description in Latin, specific description and commentary in EnglishTropicos, Varilla A. Gray Flora of North America, Varilla A. Gray, Mem. Amer. Acad. Arts, n. s. 4: 106. 1849.
The name Varilla is the Spanish word for "rod" or "wand." The genus is native to Texas and northern Mexico.
SpeciesThe Plant List, search for VarillaTurner, Billie Lee. 1990. Taxonomy of Varilla (Asteraceae:Heliantheae). Phytologia 68(6):4-13 Varilla mexicana A.Gray - Chihuahua, Coahuila, Durango, Zacatecas Varilla texana A.Gray - southern Texas,Biota of North America Program 2013 county distribution map Tamaulipas, Nuevo León
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