Ranunculus cymbalaria |
Ranunculus pensylvanicus |
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alkali buttercup, renoncule cymbalaire, seaside buttercup, seaside crowfoot, shore buttercup |
bristly buttercup, bristly crowfoot, Pennsylvania buttercup, renoncule de pennsylvanie |
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Roots | never tuberous. |
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Stems | dimorphic, flowering stems erect or ascending, stolons prostrate, rooting nodally, glabrous or sparsely hirsute, not bulbous-based. |
erect, never rooting nodally, hispid, 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. |
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Basal leaf blades | broadly cordate in outline, 3-foliolate, 1.6-7 × 3-9 cm, leaflets cleft, usually deeply so, ultimate segments narrowly elliptic, margins toothed, apex acute. |
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Flowers | receptacle hispid or glabrous; sepals spreading, 2.5-6 × 1.5-3 mm, glabrous; petals 5, yellow, 2-7 × 1-3 mm. |
receptacle hirsute; sepals reflexed ca. 1 mm above base, 3-5 × 1.5-2 mm, ± hispid; petals 5, yellow, 2-4 × 1-2.5 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. |
cylindric, 9-12 × 5-7 mm; achenes 1.8-2.8 × 1.6-2 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, broadly lanceolate or nearly deltate, straight or nearly so, 0.6-0.8 mm. |
Tuberous | roots absent. |
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2n | = 16. |
= 16. |
Ranunculus cymbalaria |
Ranunculus pensylvanicus |
|
Phenology | Flowering late spring–summer (May–Sep). | Flowering late spring–summer (Jun–Aug). |
Habitat | Stream banks, bogs, moist clearings, depressions in woodlands | |
Elevation | 0-1700 m (0-5600 ft) | |
Distribution |
Bogs; marshes; ditches; stream banks; often saline
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AK; AZ; CO; CT; DC; DE; IA; ID; IL; IN; MA; MD; ME; MI; MN; MT; ND; NE; NH; NJ; NM; NY; OH; PA; RI; SD; VT; WA; WI; WV; WY; AB; BC; MB; NB; NF; NS; NT; ON; PE; QC; SK
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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.) |
Ojibwa tribes used Ranunculus pensylvanicus as a hunting medicine; the Potawatomi used it as an astringent for miscellaneous diseases (D. E. Moerman 1986). (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 | |
Name authority | Pursh: Fl. Amer. Sept. 2: 392. (1814) | Linnaeus f.: Suppl. Pl., 272. (1782) |
Web links |
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