Fl. Boston. ed. 2, 165. 1824 ,.
Subshrubs (vinelike), creeping, mat-forming, stoloniferous; roots adventitious or fibrous. Stems repent, 10–14 cm, densely strigose. Leaf-blades elliptic to oval, 0.3–1 cm, base cuneate to rounded, margins ciliate, (slightly revolute), apex acute, abaxial surface strigose, adaxial glabrous. Inflorescences axillary, solitary flowers; bracts light green, broadly lanceolate, 1.5–2 mm, exceeding sepals, sparsely strigose. Pedicels light green, 1.5–3 mm, strigose; bracteoles absent. Flowers: sepals 4, connate ca. 1/2 their lengths, white, ovate, 1–1.5 mm, hairy basally (hairs dark red); petals 4, connate 1/3 their lengths, white, 2–3.5 mm, glabrous, corolla campanulate, lobes 1.5–2 mm; filaments broadest in middle and narrowing distally and proximally, glabrous; anthers with 2 bifurcating awns, dehiscent by subterminal pores. Fruits white, 2.5–6 mm wide. 2n = 22.
Phenology: Flowering Jun-early Aug; fruiting Jul–Sep.
Habitat: Sphagnum bogs, fens and mossy, coniferous woodland forests and swamps, often on moss-covered or rotting logs
Elevation: 30-1400 m
Alta., B.C., Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask., Conn., Idaho, Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt., Wash., W.Va., Wis.
"broadest" is not a number."/3" is not declared as a valid unit of measurement for this property.