Plants 8-40 cm. Leaves: stipules of rosette leaves and proximal cauline leaves barely expanded at bases of petiole, stipules of distal cauline leaves conspicuous; petiole 3-15 cm; blade deeply 3(-5)-lobed, 1-4 cm, base cordate, apex obtuse. Inflorescences condensed, flat-topped, compound cymes, 9-35-flowered, ebracteate or bracteate, 8-40 cm, stipitate-glandular; bract subtending pedicel small. Flowers: hypanthium free from ovary 0.3-1 mm, with purple band distally, campanulate, 2.5-3 mm, short stipitate-glandular; sepals broadly triangular-ovate, unlobed, 1.5-3 mm, apex acute; petals spreading, white (sometimes pink tipped), broadly elliptic to obovate, 3-5 mm; stamens included, 1.5 mm; ovary 3/4 inferior; styles to 1 mm. Capsules brown, ovoid, 4 mm. Seeds ellipsoid and prismatic, 0.6-0.8 mm. 2n = 14.

Flowering May-Aug. Wet, mossy, rocky crevices and cliffs; 50-2200 m; Alta., B.C.; Calif., Idaho, Mont., Oreg., Wash.

Suksdorfia ranunculifolia is found in the Cascade, Rocky, and Siskiyou mountains of the Pacific Northwest, near sea level in coastal British Columbia, and on Vancouver Island.