n. A plant of the genus Pyrola, especially P. minor, the common species in England, where the name is chiefly thus applied. P. rotundifolia is sometimes distinguished as false or pear-leafed wintergreen.n. A plant of the genus Gaultheria, chiefly G. procumbens, the aromatic wintergreen of eastern North America.n. A plant of the genus Chimaphila, especially C. maculata. See spotted wintergreen, below.