Taxonomy
Family: Orchidaceae
Synonymous with Orchis rotundifolia and Galearis rotundifolia.
Habitat
Calcareous wet woods and swamps.
Associates
Distribution
Greenland to AK, south to Quebec, northern NY, MI, MN, and British Columbia. Rare in most U.S. states and possibly extirpated in NY, VT, and NH.
Morphology
Herbaceous perennial; leaf solitary, elliptic to ovate or obovate, 4-11 cm; scape 10-25 cm, slender; bracts lance linear, 6-15 mm; sepals and lateral petal pale purple to white, oblong-obovate, 5-8 mm, the petal slightly narrow than the sepals; 2 lateral petals and upper sepal connivent, the lateral sepal spreading; lip white, spotted to pink-purple, 6-9 mm, 3-lobed, the lateral lobes short-ovate, ascending, the terminal one triangular, notched at the summit; spur much shorter than the lip.
Notes
Flowers June to July
Wetland Indicator: OBL
A form with splotchy lines on the lip rather than spots has been called forma lineata. Both forms can be found in a given population.
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 |