summer cohosh(n = noun.plant) american bugbane, cimicifuga americana - bugbane of the eastern United States having erect racemes of white flowers;
is a kind of bugbane

black cohosh, blue cohosh, cohosh, indian summer, saint martin's summer, summer, summer camp, summer crookneck, summer cypress, summer damask rose, summer duck, summer flounder, summer haw, summer house, summer hyacinth, summer redbird, summer savory, summer savoury, summer school, summer snowflake, summer solstice, summer squash, summer squash vine, summer stock, summer sweet, summer tanager, white cohosh