Tagetes triradiata is a Mexican species of marigold in the family Asteraceae. It is native to central Mexico (Puebla, Morelos, México State, D.F., Veracruz).Turner, B. L. 1996. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 6. Tageteae and Athemideae. Phytologia Memoirs. 10: i–ii, 1–22, 43–93photo of herbarium at Missouri Botanical Garden, collected in Mexican Federal District in 1896, isotype of Tagetes triradiata
Tagetes triradiata is an hairless annual herb up to 50 cm (20 inches) tall. Leaves are pinnately compound with 15-21 leaflets. One plant produces numerous small flower heads in a flat-topped array, each containing 3 bright yellow ray florets surrounding several yellow disc florets.Rydberg, Per Axel 1913. in Britton, Nathaniel Lord, North American Flora 34: 157Greenman, Jesse More 1897. Proceedings of the American Academy of Arts and Sciences 32(16): 310
References
External links Arizona State Vascular Plant Herbarium