Stems trailing and creeping, emitting numerous short, suberect, leafy branches to 10 cm, these with a slender terminal peduncle to 10 cm; lvs firm, short-petioled, broadly oval to obovate, 1–2 cm; fls nodding; cor pink to white, 10–15 mm, shallowly 5-lobed, flaring from near the top of the cal, hairy inside; 2n=32. Moist or dry woods and cold bogs; circumpolar, s. in Amer. to N.J., W.Va., n. Ind., Minn., and Calif. June–Aug. Our plants are var. longiflora Torr. (L. americana)
An evergreen herb. It has a sweet scent. The leaves are opposite and simple. They have short leaf stalks. The leaves are broadly oval and small. They are 9-14 mm wide. The flowers are pink and 9 mm long. They occur in pairs. The fruit are small and dry and sticky. There are tiny hooked bristles.