2 976223 Stenandrium dulce (Cav.) Nees [80 892938 Ruellia dulcis Cav.] Acanthaceae
P.C. Standley, J.A. Steyermark, Fl. Guatemala, vol. 10(3,4): : p. 448, fig. 102 (1946-1977) [M. Pahl]