- lobelia - any plant or flower of the genus Lobelia
--1 is a kind of herb, herbaceous plant
--1 is a member of genus Lobelia
--1 has particulars:cardinal flower, Indian pink, Lobelia cardinalis; Indian tobacco, bladderpod, Lobelia inflata; water lobelia, Lobelia dortmanna; great lobelia, blue cardinal flower, Lobelia siphilitica