Hort. Kew. 2: 13, plate 7. 1789,.
Plants often ascending, shoots 0.4–1.5 dm. Leaf-blades glaucous abaxially, green adaxially, usually narrowly elliptic to elliptic, rarely oblong, 5–18 × 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.
Phenology: Flowering late spring–early summer.
Habitat: Bogs, swamps, mires, wet shores and headlands
Elevation: 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., in Europe
Vaccinium macrocarpon is introduced and escaping elsewhere (British Columbia, Oregon, Washington) with respect to its normal range in eastern North America.
"entire" is not a number."dm" is not declared as a valid unit of measurement for this property.