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Erect shrub, 0.5-2.0m; young shoots puberulent, gland-dotted. Leaves 1.5-3.5(-4) x 0.5-2cm, broadly elliptic-oval, apex acuminate, margins flat or slightly incurved, upper surface dark green, lower surface lighter green, papillate, glabrous or more or less pubescent, scales rimless, golden, 1-2× their own diameter apart; petioles 440mm. Flowers many, in a loose terminal umbellate corymb; calyx small, lobes rounded, margins ciliate; corolla white, rotate, c.6mm; pedicels 1.5-4cm, often glandular; stamens 8-12; ovary densely glandular and scaly, style sparsely glandular.
Distribution NW USA.
RHS Hardiness H4.
Taxonomic note (Ledum glandulosum Murr.)
Intermediates (that occasionally occur in cultivation) between this species and R. groenlandicum, with leaves 4-6 x 1-2cm, slightly revolute and sometimes with a few ferrugineous hairs on the lower surfaces, have been called R. x columbianum (Piper) Harmaja (Ledum columbianum Piper).