Scape 5-15 cm; lvs 2-5, lance-ovate, 1-3 cm; pedicels short, 1-3 mm; fls yellowish-green, the lip uppermost, 1.5 mm, surpassed by the lateral sep, which stand erect behind it; 2n=28. Deep bogs; nearly circumboreal, entering our range in n. Minn. July, Aug. Our smallest orchid.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.