Lobelia, (genus Lobelia), genus of more than 400 species 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.

Where are lobelia found?

Great Blue Lobelia (Lobelia siphilitica) Great blue lobelia, is a member of the Campanulaceae (Bellflower) family. The family includes around 2,400 mostly herbaceous species, most of which occur in North America, Europe and Asia. A number of species are from South Africa.

Are lobelia native to North America?

Lobelia cardinalis (Cardinal flower) | Native Plants of North America.