PINK-WING TRIGGER PLANT Stylidium roseo-alatum Manna Hill, west of Bolgart, 17 October 1948 (ACC 5448A/214) Stylidium roseo-alatum F.L. Erickson & J.H. Willis. PINK-WING TRIGGER PLANT Slender annual (ephemeral) herb; 0.03-0.07m high; fl. pink, red, with white throat, Oct-Nov. Loam, clay loam, peaty sand, winter-wet depressions, swamps, creek beds. Distribution: SW: AW, GS, JF, SWA, WAR. (G. Paczkowska & A. R. Chapman, p. 555.)