Trixis inula is a much-branched shrub up to 300 cm (10 feet) tall. It has lanceolate to elliptic leaves up to 17 cm (7 inches) long. Yellow flower heads are borne in paniculate arrays.[8][9][10]
^USDA, NRCS (n.d.). "Trixis inula". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.
^D'Arcy, W.G. 1987. Flora of Panama. Checklist and Index. Part 1: The introduction and checklist. Monographs in systematic botany from the Missouri Botanical Garden 17: v–xxx, 1–328.
^Davidse, G., M. Sousa-Peña, S. Knapp & F. Chiang Cabrera. 2014. Asteraceae. 5(2): ined. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Universidad Nacional Autónoma de México, México.
^Nelson, C. H. 2008. Catálogo de las Plantas Vasculares de Honduras 1–1576.
^Idárraga-Piedrahita, A., R. D. C. Ortiz, R. Callejas Posada & M. Merello. (eds.) 2011. Flora de Antioquia: Catálogo de las Plantas Vasculares 2: 9–939. Universidad de Antioquia, Medellín.
^Crantz, Heinrich Johann Nepomuk von. Institutiones Rei Herbariae 1: 329. 1766.
^Anderson, C. E. 1972. A monograph of the Mexican and Central American species of Trixis (Compositae). Memoirs of the New York Botanical Garden 22(3): 1–68.