Swertia is a genus in the gentian family containing plants sometimes referred to as the felworts.[4] Some species bear very showy purple and blue flowers.[5][6] Many members of this genus have medicinal and cultural purposes.[7]
Plants of genus Frasera are sometimes considered part of this genus, sometimes as a separate genus, and sometimes as synonymous.
^USDA, NRCS (n.d.). "Swertia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 4 December 2015.
^"Archived copy"(PDF). www.ansab.org. Archived from the original(PDF) on 7 April 2012. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)