Ranunculus bulbosus |
Ranunculus ranunculinus |
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bulbous buttercup, bulbous crowfoot, renoncule bulbeuse, St. Anthony's-turnip |
tadpole buttercup |
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Roots | never tuberous. |
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Stems | erect, never rooting nodally, strigose or hirsute, base bulbous and cormlike. |
erect from short caudices, not rooting nodally, glabrous, not bulbous-based. |
Leaves | basal leaf blades ovate to semicircular in outline, ternately or pinnately 2x-compound, 2.4-8.2 × 2-8.5 cm, leaflets parted and again lobed, ultimate segments elliptic to linear, margins entire (or occasionally a lobe reduced to tooth), apex acuminate to rounded. |
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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. |
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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 reflexed from base, 3-6 × 1-3 mm, glabrous; petals (0-)5-6, yellow, 3-8 × 1-3 mm. |
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 to globose, 4-5 × 6-7 mm; achenes 2.2-3.6 × 1.2-1.8 mm, glabrous; beak filiform, strongly reflexed from base, 0.8-1.5 mm, brittle, often broken. |
Tuberous | roots absent. |
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2n | = 32. |
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Ranunculus bulbosus |
Ranunculus ranunculinus |
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Phenology | Flowering spring (Apr–Jun). | Flowering spring–summer (Apr–Aug). |
Habitat | Meadows | Open grassy or brushy slopes |
Elevation | 0–700 m (0–2300 ft) | 1700-2600 m (5600-8500 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; NM; 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.) |
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Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus | Ranunculaceae > Ranunculus > subg. Cyrtorhyncha > sect. Cyrtorhyncha |
Sibling taxa | ||
Synonyms | R. bulbosus var. dissectus, R. bulbosus var. valdepubens | Cyrtorhyncha ranunculina |
Name authority | Linnaeus: Sp. Pl. 1: 554. (1753) | (Nuttall) Rydberg: Bot. Surv. Nebraska 3: 23. (1894) |
Web links |
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