Taxonomy
Family: Orchidaceae
Synonymous with Listera cordata (L.) R. Br.
Habitat
Sphagnum bogs and swamps.
Associates
Distribution
Circumboreal, south in North America to NY, PA, MI, MN, and in mountains to NC and NM.
Morphology
Herbaceous perennial to 25 cm; leaves 1-3 cm, shorter than the peduncle, truncate or subcordate at the base, but also abruptly contracted at the point of attachment; axis, pedicels, and ovary glabrous; bracts minute, 1 mm; flowers up to 25, green to purplish or reddish; sepals and lateral petals 2-2.5 mm, ovate oblong; lip 3-5 mm, with 2 projecting lateral teeth near the base, cleft to the middle or below into divergent linear lobes; column 0.5 mm.
Notes
Flowers June to July
Wetland indicator: FACW
Small and easily overlooked.
References
Gleason, Henry A. and A.
Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and
Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Michael Hough © 2018 |