Plants often ascending, shoots 0.4-1.5 dm. Leaf blades glaucous abaxially, green adaxially, usually narrowly elliptic to elliptic, rarely oblong, 5-18 m 2-55 mm, margins entire, slightly revolute. Inflorescences in axils of leaflike bracts at base of current year´s shoots. Pedicels nodding, slender, 2-3 cm, bracteolate; bracteoles 2, greenish white, scalelike, 1-2 mm wide. Flowers: calyx lobes relatively small; corolla strongly reflexed at anthesis, white to pink; filaments hairy; anther tubules 1-2 mm. Berries red to pink, 9-14 mm diam., smooth. 2n = 24. Flowering late spring-early summer. Bogs, swamps, mires, wet shores and headlands; 0-1400 m; St. Pierre and Miquelon; B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que.; Conn., Del., D.C., Ill., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Oreg., Pa., R.I., Tenn., Vt., Va., Wash., W.Va., Wis.; introduced in Europe. Vaccinium macrocarpon is introduced and escaping elsewhere (British Columbia, Oregon, Washington) with respect to its normal range in eastern North America.