Distribution: Occurring on both sides of the Cascades crest in northern Washington; Alaska to Washington, east to Alberta, Idaho, and Montana.
Habitat: Wet, gravelly meadows and along streams and ponds at high elevations.
Flowers: July-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles, wasps
Perennial with well-developed rhizomes, often forming small mats.
Leaves all basal, the leaves wedge-shaped to fan-shaped, 10-25 mm. long and nearly as broad, coarsely dentate with 7-9 teeth, with slender petioles of similar length, glabrous or with a few soft, brown hairs.
Inflorescence, calyx and fruits often bright red; inflorescence a cyme with up to 15 flowers, the peduncles slender, often with linear, entire bracts; calyx lobed almost to the base, the 5 lobes oblong-lanceolate, 2-3 mm. long, sharply reflexed; petals 5, white, aging to pink, 2.5-4 mm. long, the blade oblong-oval, rounded to a short, broad claw; stamens 10, equaling the petals, the filaments white, club-shaped; carpels often 3-5, fused only 0.5-1 mm., the ovary mostly superior, the carpels tapered to styles less than 1 mm. long.
Follicle 7-12 mm. long exclusive of the slender, divergent, stylar beaks.
PNW Herbaria: Specimen records of Micranthes lyallii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Micranthes lyallii checklist entry
OregonFlora: Micranthes lyallii information
E-Flora BC: Micranthes lyallii atlas page
CalPhotos: Micranthes lyallii photos