Ranunculus bulbosus |
Ranunculus hystriculus |
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bulbous buttercup, bulbous crowfoot, renoncule bulbeuse, St. Anthony's-turnip |
waterfall false 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 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 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, white or pale yellow, 6-13 × 3-6 mm, glabrous; petals 8-12, greenish, 2-4 × 0.6-1.6 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. |
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. |
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Ranunculus bulbosus |
Ranunculus hystriculus |
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Phenology | Flowering spring (Apr–Jun). | Flowering winter–summer (Feb–Jul). |
Habitat | Meadows | Wet places near streams, especially around waterfalls |
Elevation | 0–700 m (0–2300 ft) | 300-2300 m (1000-7500 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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CA
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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.) |
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. Ranunculus > sect. Ranunculus | Ranunculaceae > Ranunculus > subg. Cyrtorhyncha > sect. Pseudaphanostemma |
Sibling taxa | ||
Synonyms | R. bulbosus var. dissectus, R. bulbosus var. valdepubens | Kumlienia hystriculus |
Name authority | Linnaeus: Sp. Pl. 1: 554. (1753) | A. Gray: Proc. Amer. Acad. Arts 7: 328. (1867) |
Web links |
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