Suksdorfia ranunculifolia
in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 53[III,2a]: 52. 1891,.
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.
Phenology: Flowering May–Aug.
Habitat: Wet, mossy, rocky crevices and cliffs
Elevation: 50-2200 m
Distribution
Alta., B.C., Calif., Idaho, Mont., Oreg., Wash.
Discussion
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.
Selected References
None.