title: Notes on three new immigrant species of spilanthes jacq. (Asteraceae) in India and the identity of the common 'tooth - ache plant'.
abstract: Three new immigrant species of Spilanthes Jacq. (Asteraceae) is described for the first time from India. Their current nomenclature and an artificial key for the identification of the 5 Indian species are provided. The identity of the commonly used 'tooth-ache' plant is also discussed.
authors.affiliation: Department of Botany, University of Calicut, 673 635, Kerala, India.
authors.forename: V V
authors.initials: VV
authors.lastname: Sivarajan
authors.forename: P
authors.initials: P
authors.lastname: Mathew