| polygala | (n) type genus of the Polygalaceae: milkwort; senega; snakeroot, Syn. genus Polygala |
| polygalaceae | (n) trees, shrubs, and herbs widely distributed throughout both hemispheres, Syn. family Polygalaceae, milkwort family |
| common milkwort | (n) small European perennial with numerous branches having racemes of blue, pink or white flowers; formerly reputed to promote human lactation, Syn. Polygala vulgaris, gand flower |
| flowering wintergreen | (n) common trailing perennial milkwort of eastern North America having leaves like wintergreen and usually rosy-purple flowers with winged sepals, Syn. gaywings, fringed polygala, Polygala paucifolia, bird-on-the-wing |
| orange milkwort | (n) bog plant of pine barrens of southeastern United States having spikes of irregular yellow-orange flowers, Syn. yellow bachelor's button, yellow milkwort, candyweed, Polygala lutea |
| seneca snakeroot | (n) eastern North American plant having a terminal cluster of small white flowers and medicinal roots, Syn. senega snakeroot, Polygala senega, senga root, Seneka snakeroot, senega root |
| senega | (n) perennial bushy herb of central and southern United States having white flowers with green centers and often purple crest; similar to Seneca snakeroot, Syn. Polygala alba |