Noun | 1. | ![]() flower - a plant cultivated for its blooms or blossoms genus Silene - large widely distributed genus of plants having mostly showy flowers of various colors: campion; catchfly moss campion, Silene acaulis - tuft- or mat-forming dwarf perennial of Arctic regions of western and central Europe and North America Silene caroliniana, wild pink - perennial of eastern and central North America having short-stalked pink or white flowers in hairy clusters Lychnis dioica, red bird's eye, red campion, Silene dioica - biennial European catchfly having red or pink flowers; sometimes placed in genus Lychnis evening lychnis, Lychnis alba, Silene latifolia, white campion, white cockle, bladder campion - bluish-green herb having sticky stems and clusters of large evening-opening white flowers with much-inflated calyx; sometimes placed in genus Lychnis fire pink, Silene virginica - perennial herb of eastern North America, having red flowers with narrow notched petals bladder campion, Silene uniflora, Silene vulgaris - perennial of Arctic Europe having large white flowers with inflated calyx |