Vaccinium macrocarpon Aiton
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Evergreen trailing shrub with very slender stems; lvs leathery, subsessile, elliptic-oblong, 5–15 mm (the largest usually > 1 cm), rounded at the tip, flat or scarcely revolute; fls 2–6 in a cluster, solitary in the axils of the reduced lower lvs of a normal branch; pedicels 1–3 cm; bracteoles above the middle of the pedicel, green, 2–4 × 1–2 mm; cor white to pink, 1 cm wide, deeply 4-cleft, the lobes strongly reflexed; styles 5–7 mm; fr red, 1–1.5 cm, tart; 2n=24. Bogs; Nf. to Man., s. to Va., O., and n. Ill., and locally in the mts. to N.C. and Tenn. June–Aug. (Oxycoccus m.)