M. R. Narayanan, N. Anilkumar, R. M. Raj, M. Sivadasan, and A. H. Alfarhan, “A new scapigerous species of <i>Impatiens</i> (Balsaminaceae) from India”, Bangladesh J. Plant Taxon, vol. 18, no. 2, pp. 141–148, Dec. 2011.