Ranunculus bulbosus |
Ranunculus hebecarpus |
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bulbous buttercup, bulbous crowfoot, renoncule bulbeuse, St. Anthony's-turnip |
delicate buttercup, downy buttercup, pubescent fruit 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, pilose. |
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. |
pedicellate; receptacle glabrous; sepals 5, spreading, 1.1-1.8 × 0.5-1 mm, pilose; petals 0-5, 1.3-2 × 0.3-0.7 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. |
discoid, 4-6 × 3 mm; achenes 4-9 per head, 1.7-2.3 × 1.7-2 mm, faces and margin papillose, each papilla crowned with hooked bristle, otherwise glabrous; beak lanceolate, hooked distally, 0.5-0.7 mm. |
Basal | and lower cauline leaf blades cordate-reniform, deeply 3-parted, 0.6-2.3 × 1.2-3.5 cm, segments undivided or 2-4-lobed, base shallowly cordate, margins entire or 2-4-dentate, apex of ultimate segments acute. |
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Ranunculus bulbosus |
Ranunculus hebecarpus |
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Phenology | Flowering spring (Apr–Jun). | Flowering spring (Mar–May). |
Habitat | Meadows | Grasslands, open woodlands, and chaparral |
Elevation | 0–700 m (0–2300 ft) | 50-900 m (200-3000 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; ID; OR; WA; Mexico (Baja California)
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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 hebecarpus is native to western North America. (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. Ranunculus > sect. Echinella |
Sibling taxa | ||
Synonyms | R. bulbosus var. dissectus, R. bulbosus var. valdepubens | |
Name authority | Linnaeus: Sp. Pl. 1: 554. (1753) | Hooker & Arnott: Bot. Beechey Voy., 316. (1838) |
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