Lip usually with basal dilation moderately to strongly developed, 5–10 mm; spur slenderly cylindric to slightly clavate, 4–12 mm (± as long as lip, mostly within 2 mm), apex obtuse to tapered; viscidia linear to linear-oblong. 2n = 42.


Phenology: Flowering May–Aug.
Habitat: Wet meadows, tundra, marshes, fens, stream banks, shores, ditches, seeping slopes, roadsides
Elevation: 0–3100 m

Distribution

V26 1134-distribution-map.jpg

Alta., B.C., Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Yukon, Alaska, Colo., Idaho, Ill., Ind., Maine, Mass., Mich., Minn., N.H., N.Y., Utah, Vt., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
self-pollination +
obtuse +  and tapered +
Charles J. Sheviak +
(Pursh) Lindley ex L. C. Beck +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 1.1 cm11 mm <br />0.011 m <br /> (?) +
rhombic +, slightly rounded-dilated +  and orbiculate +
2mm +  and 5mm +
Orchis dilatata +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
3.5 cm35 mm <br />0.035 m <br /> (32 cm320 mm <br />0.32 m <br />) +
oblanceolate +  and oblong +
0.3 cm3 mm <br />0.003 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Yukon +, Alaska +, Colo. +, Idaho +, Ill. +, Ind. +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.Y. +, Utah +, Vt. +  and Wash. +
0–3100 m +
3-merous +, sessile +  and pedicellate +
conspicuous +  and showy +
ellipsoid;cylindric +
Wet meadows, tundra, marshes, fens, stream banks, shores, ditches, seeping slopes, roadsides +
lateral +  and terminal +
spreading +  and reflexed +
petiolate +, sessile +  and simple +
ascending;recurved-spreading +
Few (?) +  and Several (?) +
reduced +
descending +
3-partite +  and lobed +
larger +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
rhombic +, slightly rounded-dilated +  and orbiculate +
2mm +  and 5mm +
differing in form and color +
slender +  and stout +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
ovate;linear-lance-falcate +
Flowering May–Aug. +
Bot. North. Middle States, +
aerial +  and subterranean +
lancefusiform +
slender +
downward +  and directed +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
slenderly cylindric +  and slightly clavate +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
leafless +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Habenaria dilatata +  and Limnorchis dilatata +
Platanthera dilatata var. dilatata +
Platanthera dilatata +
variety +
linear +  and linear-oblong +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
erect to somewhat +