5,160 Maizatul Vanisha Bt Masril 2019-05-14 https://florafaunaweb.nparks.gov.sg/special-pages/plant-detail.aspx?id=2159 National Parks Board, Singapore-NPark Flora and Fauna Web. (n.d.). Justicia gendarussa. Retrieved from https://florafaunaweb.nparks.gov.sg/special-pages/plant-detail.aspx?id=2159 https://pfaf.org/user/Plant.aspx?LatinName=Justicia+gendarussa Website-Plant For A Future - Justicia gendarussa - L.