Asanthus thyrsiflorus is a Mexican species of plants in the family Asteraceae. It is native to the states of San Luis Potosí, Chihuahua, Zacatecas, Aguascalientes, Jalisco, Coahuila, and Durango in north-central Mexico.King, Robert Merrill & Robinson, Harold Ernest. 1972. Studies in the Eupatorieae (Asteraceae) LXXIX: a new genus, Asanthus. Phytologia 24(2):65- 66Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 -- Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272.Turner, Billie Lee 1988. Phytologia 64: 259-262 in English, with distribution map, as Steviopsis thyrsiflora
Asanthus thyrsiflorus is a branching shrub up to 100 cm (40 inches) tall. Flower heads have whitish disc florets but no ray florets. It grows in flats, creekbanks, and gravelly areas, often in pine-oak woodlands.Gray, Asa 1879. Proceedings of the American Academy of Arts and Sciences 15(1): 30 description in Latin, as Brickellia thyrsiflora
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