Ranunculus cymbalaria |
Ranunculus pallasii |
|
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alkali buttercup, renoncule cymbalaire, seaside buttercup, seaside crowfoot, shore buttercup |
Pallas' buttercup, renoncule de Pallas |
|
Stems | dimorphic, flowering stems erect or ascending, stolons prostrate, rooting nodally, glabrous or sparsely hirsute, not bulbous-based. |
creeping or floating, rooting nodally, glabrous, not bulbous-based. |
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 | linear to obovate, undivided or 3-lobed, 1.5-3.6 × 0.3-2 cm, lobes lanceolate or elliptic, margins entire, apex rounded to acuminate. |
|
Flowers | receptacle hispid or glabrous; sepals spreading, 2.5-6 × 1.5-3 mm, glabrous; petals 5, yellow, 2-7 × 1-3 mm. |
receptacle glabrous; sepals spreading, 6-10 × 4-7 mm, glabrous; petals 7-11, white or pink, 8-13 × 3-6 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. |
globose or hemispheric, 5-12 × 9-15 mm; achenes 4.2-5.2 × 2.4-3.2 mm, glabrous; beak persistent, lanceolate, straight or curved, 1-1.2 mm. |
Tuberous | roots absent. |
roots absent. |
2n | = 16. |
= 32. |
Ranunculus cymbalaria |
Ranunculus pallasii |
|
Phenology | Flowering late spring–summer (May–Sep). | Flowering summer (Jul–Aug). |
Habitat | Shallow water of bogs and pools in muskeg and tundra | |
Elevation | 0-700 m (0-2300 ft) | |
Distribution |
Bogs; marshes; ditches; stream banks; often saline
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AK; MB; NF; NT; ON; QC; YT; Eurasia |
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.) |
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Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Cyrtorhyncha > sect. Halodes | Ranunculaceae > Ranunculus > subg. Pallasiantha |
Sibling taxa | ||
Synonyms | Halerpestes cymbalaria, R. cymbalaria var. alpinus, R. cymbalaria var. saximontanus | |
Name authority | Pursh: Fl. Amer. Sept. 2: 392. (1814) | Schlechtendal: Animadv. Bot. Ranunc. Cand. 1: 15. (1819) |
Web links |