Ranunculus pallasii |
Ranunculus flabellaris |
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Pallas' buttercup, renoncule de Pallas |
greater yellow water crowfoot, renoncule à évantails, water buttercup, yellow water-buttercup, yellow water-crowfoot |
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Stems | creeping or floating, rooting nodally, glabrous, not bulbous-based. |
floating or prostrate, glabrous, rooting at proximal nodes. |
Leaves | basal leaves seldom present, cauline leaf blades semicircular to reniform, 1-6x-lobed, parted, or dissected 1.2-7.3 × 1.9-10.8 cm, base truncate or cordate, segment margins entire or crenate, apex rounded to filiform. |
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Basal leaf blades | linear to obovate, undivided or 3-lobed, 1.5-3.6 × 0.3-2 cm, lobes lanceolate or elliptic, margins entire, apex rounded to acuminate. |
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Flowers | receptacle glabrous; sepals spreading, 6-10 × 4-7 mm, glabrous; petals 7-11, white or pink, 8-13 × 3-6 mm. |
receptacle sparsely hispid; sepals 5, spreading or weakly reflexed, 5-7 × 3-6 mm, glabrous; petals 5-6(-14), 7-12 × 5-9 mm; nectary scale variable, crescent-shaped, funnel-shaped, or flaplike; style 0.8-1.2 mm. |
Heads of achenes | globose or hemispheric, 5-12 × 9-15 mm; achenes 4.2-5.2 × 2.4-3.2 mm, glabrous; beak persistent, lanceolate, straight or curved, 1-1.2 mm. |
ovoid, 8-10 × 7-8 mm; achenes 1.8-2.2 × 1.6-2.2 mm, glabrous; beak lanceolate, straight, 1-1.8 mm. |
Tuberous | roots absent. |
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2n | = 32. |
= 32. |
Ranunculus pallasii |
Ranunculus flabellaris |
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Phenology | Flowering summer (Jul–Aug). | Flowering late spring–summer (May–Aug). |
Habitat | Shallow water of bogs and pools in muskeg and tundra | Shallow water or drying mud |
Elevation | 0-700 m (0-2300 ft) | 0-1500 m (0-4900 ft) |
Distribution |
AK; MB; NF; NT; ON; QC; YT; Eurasia |
AL; AR; CA; CT; DE; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; ND; NE; NH; NJ; NV; NY; OH; OK; OR; PA; RI; SD; TN; TX; UT; VA; VT; WA; WI; WY; AB; BC; MB; NB; ON; QC
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Discussion | The Fox tribes used Ranunculus flabellaris as a cold remedy and a respiratory aid (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. Pallasiantha | Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Hecatonia |
Sibling taxa | ||
Synonyms | R. delphinifolius | |
Name authority | Schlechtendal: Animadv. Bot. Ranunc. Cand. 1: 15. (1819) | Rafinesque: Amer. Monthly Mag. & Crit. Rev. 2: 344. (1818) |
Web links |
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