What is "lobeline"

Lobeline \Lo*be"line\, n. (Chem.) A poisonous narcotic alkaloid extracted from the leaves of Indian tobacco ( Lobelia inflata) as a yellow oil, having a tobaccolike taste and odor.

n. A natural alkaloid found in various plants, mostly of the genus ''Lobelia'', a white amorphous powder which is freely soluble in water, used as an aid to smoking cessation.

Lobeline is an alkaloid found in "Indian tobacco" ( Lobelia inflata), "Devil's tobacco" ( Lobelia tupa), "cardinal flower" ( Lobelia cardinalis), "great lobelia" ( Lobelia siphilitica), and Hippobroma longiflora. Additionally, it is also found in Lobelia chinensis. In its pure form it is a white amorphous powder which is freely soluble in water.