Asystasia gangetica var. variabilis Nees in DC., Asystasia chelonoides sensu Thw., Asystasia nemorum Nees var. angustifolia Thw. ex T. Anders., Asystasia chelonoides Nees var. quadrangularis Clarke in Hook. f.
Revised Hand Book to the Flora of Ceylon, Vol. XII pg. 78 Hand Book to the Flora of Ceylon, Vol II- pg. 324 Illustrated field guide to the flowers of Sri Lanka, JJ Vlas, Vol. 2- pg. 222