Page authors: Don Knoke, David Giblin
Micranthes tolmiei
alpine saxifrage, Tolmie's alpine saxifrage, Tolmie's saxifrage

Distribution: Occurring in the Olympic and Cascade mountains in Washington; Alaska south to California, east to Idaho, Montana, Nevada and Utah.

Habitat: Mountain meadows, scree, and rock crevices at moderate to high elevations.

Flowers: June-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps


Low, mat-forming perennial with numerous sterile, leafy branches, the flowering stems erect, 3-8 cm. tall, glabrous or pubescent with purplish-tipped hairs.


Leaves glabrous, entire, fleshy and nearly terete, 3-10 mm. long, spatulate to oblanceolate, narrowed to a broad base; cauline leaves usually none, occasionally 1-3, reduced.


Flowers terminal and single, or 2-4 in a loose inflorescence; calyx saucer-shaped, glabrous, often purplish-tinged, the 5 oval, spreading lobes 2-3 mm. long; petals 5, white, up to twice as long as the calyx lobes, broadly oblanceolate, narrowed to the base; stamens 10, the filaments somewhat petaloid.


Ovary about 1/4 inferior at flowering; capsule ovoid, 8-12 mm. long, purplish-mottled; carpels sometimes 3 or more.

Accepted Name:
Micranthes tolmiei (Torr. & A. Gray) Brouillet & Gornall
Publication: J. Bot. Res. Inst. Texas. 1: 1022. 2007. 2007.

Synonyms & Misapplications:
Saxifraga tolmiei Torr. & A. Gray [HC]
Saxifraga tolmiei Torr. & A. Gray var. ledifolia (Greene) Engl. & Irmscher [HC]
Saxifraga tolmiei Torr. & Gray var. tolmiei [HC]
Additional Resources:

PNW Herbaria: Specimen records of Micranthes tolmiei in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Micranthes tolmiei checklist entry

OregonFlora: Micranthes tolmiei information

E-Flora BC: Micranthes tolmiei atlas page

CalPhotos: Micranthes tolmiei photos

46 photographs:
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