Listera auriculata Wiegand
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Orchidaceae
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Scientific Name
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Description
Species Description - Stem 1–2.5 dm; lvs ovate or round-ovate, 2–5 cm, longer than the peduncle, broadly rounded at base, obtuse or subacute; axis glandular; pedicels and ovary glabrous; bracts 2 mm; fls up to ca 20; sep and lateral pet lance-ovate to oblong, 3–4.5 mm; lip pale green, oblong in outline, 6–11 mm, maintaining its width to the rounded base and there bearing a pair of minute retrorse auricles, slightly constricted at the middle, cleft at the summit for about a fourth its length; column 2.5–3 mm. Wet woods and thickets; Nf. and Que. to N.H. and N.Y.; Isle Royale, Mich. July, Aug. (Ophrys a.)
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Common Names
auricled twayblade