Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south California, east to Alberta, Montana, and Wyoming.
Habitat: Usually in moist coniferous forests, low to mid-elevations in the mountains.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Myco-heterotrophic, scapose, perennial herbs, the stem 1.5-4.5 dm. tall, purplish- to reddish-brown.
No true, green leaves; scape with several sheathing bracts.
Flowers up to 30 on short pedicles in a raceme; sepals 3, pink, the 3 veins sometimes yellow, 8-10 mm. long, narrowly oblong to narrowly oblong-oblanceolate, 1.2-1.5 mm. broad; 2 small petals about equal to the sepals but slightly broader; third petal (lip) pendent, ovate-oblong, with a small tooth on each side, 7-9 mm. long and 4.5-6 mm. wide including the teeth, deep pink to red, unspotted; stamens and style fused to form a slender, curved column 6-7 mm. long.
Capsule pendant, ovoid, 1.5-2.5 cm long.
PNW Herbaria: Specimen records of Corallorhiza mertensiana in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Corallorhiza mertensiana checklist entry
OregonFlora: Corallorhiza mertensiana information
E-Flora BC: Corallorhiza mertensiana atlas page
CalPhotos: Corallorhiza mertensiana photos