Find Find in this article Print article Lobelia Lobelia , genus of plants of the bellflower family.
Flowers are tubular, with five partially fused petals and a solitary pistil.
The fruit is a many-seeded capsule. It is native to wet places in the eastern North America. Great lobelia, or blue cardinal flower, a perennial herb native to northern North America, is of medium height and produces blue flowers. Indian tobacco is a tall annual bearing light-blue flowers with minute petals. The plant, native to temperate North America, produces a poisonous alkaloid, lobeline, formerly used as a constituent of quack medicines for its nicotinelike taste.