Leaves: blade 0.9–2 × 0.7–2 cm. Flowers yellow-green, green, or reddish purple; pedicels 2 m; sepals 2–3 × 0.5–1.5 mm; petals 1.5–2.5 × 0.5–1 mm; lip 3–4 × 1–1.5 mm. 2n = 36, 38, 40, 42.


Phenology: Flowering late May–Aug.
Habitat: Mountainous regions in mossy, damp, coniferous or mixed coniferous-hardwood forests, sphagnum bogs and evergreen swamps, and subacid humus in moist woodlands
Elevation: 0–1200 m

Distribution

V26 1200-distribution-map.jpg

Greenland, St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Conn., D.C., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., W.Va., Wis., Europe, Asia (Japan), Iceland.

Discussion

Selected References

None.

Lower Taxa

None.
Lawrence K. Magrath +  and Ronald A. Coleman +
(Linnaeus) R. Brown +
Ophrys cordata +
Greenland +, St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Conn. +, D.C. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +, W.Va. +, Wis. +, Europe +, Asia (Japan) +  and Iceland. +
0–1200 m +
Mountainous regions in mossy, damp, coniferous or mixed coniferous-hardwood forests, sphagnum bogs and evergreen swamps, and subacid humus in moist woodlands +
Flowering late May–Aug. +
in W. Aiton and W. T. Aiton, Hortus Kew. +
Illustrated +
Bifolium cordatum +, Diphryllum cordatum +, Distomaea cordata +, Neottia cordata +  and Pollinirhiza cordata +
Listera cordata var. cordata +
Listera cordata +
variety +