Ranunculus glaberrimus |
Ranunculus inamoenus |
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sagebrush buttercup, smooth buttercup |
graceful buttercup, unlovely buttercup |
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Roots | cylindric, 1-3 mm thick. |
slender, 0.6-1.2 mm thick. |
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Stems | prostrate or ascending, 4-15 cm, glabrous, each with 1-4 flowers. |
erect, 5-33 cm, pilose or glabrous, each with 3-7 flowers. |
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Basal leaves | persistent, blades reniform or obovate to very narrowly elliptic, 0.7-5.2 × 1-2 cm, base truncate, obtuse or attenuate, margins entire or with 3 broad, apical crenae, apex rounded to acute. |
persistent, blades ovate, obovate or orbiculate, rarely reniform, undivided or innermost with 2 clefts or partings near apex, 1-3.7 × 1.1-3.5 cm, base acute to rounded, margins entire, apex rounded. |
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Flowers | pedicels glabrous or nearly so; receptacle glabrous; sepals 5-8 × 3-7 mm, abaxially glabrous or sparsely pilose, hairs colorless; petals 5-10, 8-13 × 5-12 mm; nectary scale glabrous or ciliate. |
pedicels appressed-pubescent; receptacle pilose or glabrous; sepals 3-5 × 2-3 mm, abaxially pilose, hairs colorless; petals 5, 4-9 × 2-5 mm; nectary scale glabrous. |
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Heads of achenes | globose, 7-12(-20) × 6-11(-20) mm; achenes 1.4-2.2 × 1.1-1.8 mm, usually finely pubescent; beak subulate or lance-subulate, straight or curved, 0.4-1 mm. |
cylindric, 7-17 × 5-8 mm; achenes 1.5-2 × 1.3-1.8 mm, canescent or glabrous; beak subulate, straight or hooked, 0.4-2 mm. |
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Ranunculus glaberrimus |
Ranunculus inamoenus |
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Distribution |
AZ; CA; CO; ID; MT; ND; NE; NM; NV; OR; SD; UT; WA; WY; AB; BC; SK
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AZ; CO; ID; MT; NE; NM; NV; SD; UT; WA; WY; AB; BC; SK
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Discussion | Varieties 2 (2 in the flora). Usually only a minority of the ovaries develop, and the fruiting receptacle is completely hidden by aborted ovaries. Populations growing at high elevations (Ranunculus glaberrimus var. ellipticus) and low elevations (var. glaberrimus) are usually well differentiated, but these varieties intergrade at intermediate elevations. The Thompson Indians rubbed the flowers or the whole plant of Ranunculus glaberrimus on arrow points as a poison (D. E. Moerman 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
The Navaho-Ramah considered Ranunculus inamoenus to be an effective hunting medicine, used to protect hunters from their prey (D. E. Moerman 1986). Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 3. | FNA vol. 3. | ||||||||
Parent taxa | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Epirotes | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Epirotes | ||||||||
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Subordinate taxa | ||||||||||
Name authority | Hooker: Fl. Bor.-Amer. 1: 12. (1829) | Greene: Pittonia 3: 91. (1896) | ||||||||
Web links |
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