Ranunculus cymbalaria |
Ranunculus allenii |
|
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alkali buttercup, renoncule cymbalaire, seaside buttercup, seaside crowfoot, shore buttercup |
Allen's buttercup, renoncule d'Allen |
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Roots | slender, 0.2-0.8 mm thick. |
|
Stems | dimorphic, flowering stems erect or ascending, stolons prostrate, rooting nodally, glabrous or sparsely hirsute, not bulbous-based. |
erect or ascending, 5-19 cm, sparsely pilose, each with 1-4 flowers. |
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. |
persistent, blades reniform or semicircular, undivided or some 3-parted, 1.4-2.1 × 1.7-2.8 cm, base cordate or truncate, margins crenate with more than 5 crenae, apex rounded. |
Flowers | receptacle hispid or glabrous; sepals spreading, 2.5-6 × 1.5-3 mm, glabrous; petals 5, yellow, 2-7 × 1-3 mm. |
pedicels pilose, sometimes sparsely so; receptacle hispid; sepals 4-6 × 2-3 mm, abaxially pilose, hairs colorless; petals 5, 4-5 × 2-4 mm; nectary scale glabrous. |
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 cylindric, 4-7 × 4-6 mm; achenes 1.6-1.8 × 1.2-1.4 mm, glabrous; beak lance-subulate, curved, 0.4-0.6 mm. |
Tuberous | roots absent. |
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2n | = 16. |
= 32. |
Ranunculus cymbalaria |
Ranunculus allenii |
|
Phenology | Flowering late spring–summer (May–Sep). | Flowering summer (Jul–Aug). |
Habitat | Wet alpine meadows, often around late snowbeds, shores of lakes and streams | |
Elevation | 700-1300 m (2300-4300 ft) | |
Distribution |
Bogs; marshes; ditches; stream banks; often saline
|
NF; NT; QC |
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. Ranunculus > sect. Epirotes |
Sibling taxa | ||
Synonyms | Halerpestes cymbalaria, R. cymbalaria var. alpinus, R. cymbalaria var. saximontanus | |
Name authority | Pursh: Fl. Amer. Sept. 2: 392. (1814) | B. L. Robinson: Rhodora 7: 220. (1905) |
Web links |