Distribution: Occurring in the Cascades and Olympic Mountains, and in the mountains of northeastern in Washington; Alaska to south California, east to Idaho, Montana, and Wyoming.
Habitat: Open, moist, often rocky areas, from low to middle elevations in the mountains.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles, wasps
Perennial from a short, woody base or thick rhizome, the 1-several leafless, freely-branched stems 1.5-3.5 dm. tall, soft-pubescent below and glandular-pubescent above.
Leaves all basal, oblanceolate, 2-10 cm. long and 5-15 mm. wide, with 7-17 teeth, thinly hairy, tapered gradually to broad, winged petioles not clearly differentiated from the blades.
Inflorescence an open, diffuse panicle extending nearly to the base of the stem; calyx lobed almost to the base, the 5 lobes oblong-ovate, sharply reflexed, 1.5-2.5 mm. long, usually reddish or purplish; petals 5, white, 4-6 mm. long, dimorphic, 3 much broader than the other 2; stamens 10, the filaments slender and white; flowers vary from all normal to mostly replaced by leafy bulblets.
Ovary almost completely superior, capsule 4-6 mm. long; carpels 2, fused their length.
PNW Herbaria: Specimen records of Micranthes ferruginea in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Micranthes ferruginea checklist entry
OregonFlora: Micranthes ferruginea information
E-Flora BC: Micranthes ferruginea atlas page
CalPhotos: Micranthes ferruginea photos