flowering wintergreen(n = noun.plant) bird-on-the-wing, fringed polygala, gaywings, polygala paucifolia - common trailing perennial milkwort of eastern North America having leaves like wintergreen and usually rosy-purple flowers with winged sepals;
is a kind of milkwort

creeping wintergreen, dwarf flowering almond, eastern flowering dogwood, false wintergreen, flowering, flowering almond, flowering ash, flowering cherry, flowering crab, flowering fern, flowering glume, flowering hazel, flowering onion, flowering plant, flowering quince, flowering raspberry, flowering shrub, flowering spurge, flowering stone, flowering tobacco, flowering tree, japanese flowering cherry, lesser wintergreen, oil of wintergreen, one-flowered wintergreen, winter flowering cherry, wintergreen, wintergreen family, wintergreen oil