vernonin
Ver"no*nin, n. (Chem.) Defn: A glucoside extracted from the root of a South African plant of the genus Vernonia, as a deliquescent powder, and used as a mild heart tonic.
Ver"no*nin, n. (Chem.) Defn: A glucoside extracted from the root of a South African plant of the genus Vernonia, as a deliquescent powder, and used as a mild heart tonic.