Ranunculus cymbalaria |
Ranunculus hystriculus |
|
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alkali buttercup, renoncule cymbalaire, seaside buttercup, seaside crowfoot, shore buttercup |
waterfall false buttercup |
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Stems | dimorphic, flowering stems erect or ascending, stolons prostrate, rooting nodally, glabrous or sparsely hirsute, not bulbous-based. |
erect from short caudices, not rooting nodally, glabrous, not bulbous-based. |
Leaves | basal leaf blades semicircular or reniform in outline, shallowly 5-7-lobed, 1.2-4.6 × 1.8-6.6 cm, ultimate segments semicircular, margins crenate, apex rounded or weakly apiculate; cauline leaves 0-2, scalelike. |
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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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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, white or pale yellow, 6-13 × 3-6 mm, glabrous; petals 8-12, greenish, 2-4 × 0.6-1.6 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. |
ovoid, 6-7 × 6-8 mm; achenes 3.8-4.2 × 0.8-1 mm, canescent; beak persistent, filiform, 1.2-1.4 mm, hooked distally. |
Tuberous | roots absent. |
roots absent. |
2n | = 16. |
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Ranunculus cymbalaria |
Ranunculus hystriculus |
|
Phenology | Flowering late spring–summer (May–Sep). | Flowering winter–summer (Feb–Jul). |
Habitat | Wet places near streams, especially around waterfalls | |
Elevation | 300-2300 m (1000-7500 ft) | |
Distribution |
Bogs; marshes; ditches; stream banks; often saline
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CA
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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.) |
Ranunculus hystriculus is endemic to the west slope of the Sierra Nevada. (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. Cyrtorhyncha > sect. Pseudaphanostemma |
Sibling taxa | ||
Synonyms | Halerpestes cymbalaria, R. cymbalaria var. alpinus, R. cymbalaria var. saximontanus | Kumlienia hystriculus |
Name authority | Pursh: Fl. Amer. Sept. 2: 392. (1814) | A. Gray: Proc. Amer. Acad. Arts 7: 328. (1867) |
Web links |