Flora of North America species comparison

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Suksdorfia ranunculifolia

buttercup suksdorfia
Habit 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.

Suksdorfia ranunculifolia
Phenology Flowering May–Aug.
Habitat Wet, mossy, rocky crevices and cliffs
Elevation 50-2200 m (200-7200 ft)
Distribution
from FNA
CA; ID; MT; OR; WA; AB; BC
[WildflowerSearch map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 125.
Parent taxa Saxifragaceae > Suksdorfia
Sibling taxa
S. violacea
Synonyms Saxifraga ranunculifolia, Hemieva ranunculifolia
Name authority (Hooker) Engler: in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 53[III,2a]: 52. (1891)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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