General:
Perennial herb from spindle-shaped stem-bases, with a few fibrous roots; stems 15-100 cm tall, leafy.

Leaves:
3 or more along stem, oblong to linear-lanceolate, 5-30 cm long, 0.6-7 cm wide, ascending, gradually reduced to bracts above.

Flowers:
Inflorescence a few- to densely-flowered spike, the flowers whitish-green, with bracts; lateral sepals spreading to slightly bent back, lanceolate, the upper sepal egg-shaped to nearly elliptic, slightly hooded at tip; petals egg-shaped to lance- or scythe-shaped; lip lanceolate to linear, 5-12 mm long, 2-4 mm wide, descending, entire, the base slightly to noticeably round-dilated; spur 4-12 mm long slenderly cylindrical to somewhat club-shaped, the tips gently tapered; anther sacs high, rising above stigmas, the tips separated, the bases diverging slightly; viscidia oblong.

Fruits:
Capsules, ascending to erect.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Habenaria huronensis (Nutt.) Spreng.
Habenaria hyperborea var. huronensis (Nutt.) Farw.
Platanthera hyperborea var. huronensis (Nutt.) Luer
Platanthera hyperborea var. major Lange