Salvia hydrangea DC. ex Benth. [ Schraderia dracocephaloides (Boiss.) Pobed.]
no HD illustration available (m1)
Salvia hydrangea DC. ex Benth. [] []
V.L. Komarov (Komorov), Fl. URSS, vol. 21 : p. 371, t. 19, fig. 2 (1934-1964)