A genus comprised of flowering plants in the bellflower family (Campanulaceae) native to nearly all the temperate and warmer regions of the world, except central and eastern Europe and western Asia. A number are cultivated as garden ornamentals for their attractive flowers.

Britannica Editors. "lobelia". Encyclopedia Britannica, 9 Sep. 2020, https://www.britannica.com/plant/Lobelia. Accessed 18 October 2026.