Ranunculus bulbosus |
Ranunculus acriformis |
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bulbous buttercup, bulbous crowfoot, renoncule bulbeuse, St. Anthony's-turnip |
sharpleaf buttercup |
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Roots | never tuberous. |
never tuberous, sometimes thick and ± fleshy proximally. |
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Stems | erect, never rooting nodally, strigose or hirsute, base bulbous and cormlike. |
erect, not rooting nodally, hirsute or strigose, base not bulbous. |
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Basal leaf | blades ovate to cordate in outline, 3-foliolate, rarely merely deeply divided, 2–5.3 × 2.4–5.4 cm, leaflets 1–2x-lobed, ultimate segments oblong to obovate, margins toothed, apex rounded in outline. |
blades broadly ovate to cordate or sometimes reniform in outline, deeply 3-divided or occasionally 3-foliolate, 2.2-6 × 2.5-7.7(-10) cm, divisions 1-2x deeply parted or -dissected, ultimate segments linear to broadly linear, margins entire (occasionally a lobe reduced to large tooth), apex acute or rounded-acute. |
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Flowers | receptacle pubescent; sepals reflexed 2–3 mm above base, 6–9 × 2–4 mm, pilose; petals 5, yellow, 9–13 × 8–11 mm. |
receptacle glabrous; sepals spreading or variously reflexed, 4-6 × 2-4 mm, appressed-hirsute; petals 5(-10), yellow, 7-13 × 4-10 mm. |
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Heads of achenes | ovoid, 6–9 × 5–7 mm; achenes 2.2–3.2 × 2.2–2.8 mm, glabrous, margin forming narrow rib 0.1–0.2 mm wide; beak persistent, lanceolate to deltate, 0.2–0.8 mm, slender tip hooked when present. |
hemispheric or globose, 5-8 × 6-8(-10) mm; achenes 2.2-3.4 × 2-3 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate, strongly curved, 0.4-1.6 mm. |
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Ranunculus bulbosus |
Ranunculus acriformis |
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Phenology | Flowering spring (Apr–Jun). | |||||||||
Habitat | Meadows | |||||||||
Elevation | 0–700 m (0–2300 ft) | |||||||||
Distribution |
AL; AR; CA; CT; DC; DE; GA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MO; NC; NE; NH; NJ; NY; OH; OR; PA; RI; SC; TN; VA; VT; WA; WV; BC; NF; NS; ON; QC; South America; native to Eurasia; Pacific Islands; Australia [Introduced in North America]
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CO; ID; MT; UT; WY
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Discussion | Ranunculus bulbosus is native to Europe and the Near East but has become naturalized in many other parts of the world. It is considered an introduced weed in the flora. The Iroquois used Ranunculus bulbosus as a toothache remede and as a a treatment for venereal disease (D. E. Moerman 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 3 (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. Ranunculus | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | R. bulbosus var. dissectus, R. bulbosus var. valdepubens | |||||||||
Name authority | Linnaeus: Sp. Pl. 1: 554. (1753) | A. Gray: Proc. Amer. Acad. Arts 21: 374. (1886) | ||||||||
Web links |
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