Ranunculus cymbalaria |
Ranunculus pacificus |
|
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alkali buttercup, renoncule cymbalaire, seaside buttercup, seaside crowfoot, shore buttercup |
Pacific buttercup |
|
Roots | never tuberous. |
|
Stems | dimorphic, flowering stems erect or ascending, stolons prostrate, rooting nodally, glabrous or sparsely hirsute, not bulbous-based. |
erect or reclining, never rooting nodally, hispid or glabrous, base not bulbous. |
Basal leaves | simple and undivided, blades oblong to cordate or circular, 0.7-3.8 × 0.8-3.2 cm, base rounded to cordate, margins crenate or crenate-serrate, apex rounded. |
blades broadly triangular to cordate in outline, 3-foliolate, 6-13 × 8-16 cm, leaflets lobed, margins toothed, ultimate segments elliptic to lance-elliptic or oblong, margins toothed, apex acute or obtuse. |
Flowers | receptacle hispid or glabrous; sepals spreading, 2.5-6 × 1.5-3 mm, glabrous; petals 5, yellow, 2-7 × 1-3 mm. |
receptacle hispid; sepals reflexed 1-2 mm above base, 6-9 × 3-4 mm, sparsely hispid; petals 5, abaxially yellow or purplish, adaxially yellow, 9-11 × 6-8 mm. |
Heads of achenes | long-ovoid or cylindric, 6-12 × 4-5(-9) mm; achenes 1-1.4(-2.2) × 0.8-1.2 mm, glabrous; beak persistent, conic, straight, 0.1-0.2 mm. |
ovoid to globose, 9-11 × 8-11 mm; achenes 3.2-3.8 × 2-3 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate or subulate from triangular base, straight or tip weakly hooked, 1-1.8 mm. |
Tuberous | roots absent. |
|
2n | = 16. |
|
Ranunculus cymbalaria |
Ranunculus pacificus |
|
Phenology | Flowering late spring–summer (May–Sep). | Flowering summer (Jul). |
Habitat | Along streams and in meadows | |
Elevation | 0 m (0 ft) | |
Distribution |
Bogs; marshes; ditches; stream banks; often saline
|
AK |
Discussion | Various Navaho groups used Ranunculus cymbalaria as a venereal aid, an emetic, and a ceremonial medicine. The Kawaiisu used it as a dermatological aid (D. E. Moerman 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Ranunculus pacificus is endemic to the Alaska panhandle. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Cyrtorhyncha > sect. Halodes | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus |
Sibling taxa | ||
Synonyms | Halerpestes cymbalaria, R. cymbalaria var. alpinus, R. cymbalaria var. saximontanus | R. septentrionalis subsp. pacificus |
Name authority | Pursh: Fl. Amer. Sept. 2: 392. (1814) | (Hultén) L. D. Benson: Amer. Midl. Naturalist 40: 79. (1948) |
Web links |