Dwarf, rarely to 1 dm, with superficial rhizomes, forming small, dense colonies as part of the ground-level vegetation; lvs deciduous, narrowly elliptic, 1–2 cm × 2–6 mm, sharply serrulate, green and glabrous or nearly so; cal and pedicel glaucous; cor cylindric, 3–4 mm, white; fr blue-glaucous, 3–5 mm; 2n=24. Alpine meadows and exposed, rocky sites; Nf., Lab., and Que., s. to mt.-tops of Me., n. N.H., n. Vt., and n. N.Y. June, July.
A small shrub. It loses is leaves during the year. It can be 2-16 cm tall. It forms dense clumps. It spreads by rhizomes that are near the surface of the ground. The twigs are green, branched and angular. The leaves are 12-20 mm long by 3-5 mm wide. They are bright green and smooth. There are teeth along the edges. The flowers are greenish white and 3 mm long. The fruit are small sweet berries 3 mm across.