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Photo is of parent taxon

celery-leaf buttercup, cursed buttercup, division blister buttercup

Leaf

blades always parted (often deeply so), segments lobed or parted, margins deeply crenate or lobulate.

Achene

faces smooth.

2n

= 64.

Ranunculus sceleratus var. multifidus

Phenology Flowering spring–summer (Mar–Sep).
Habitat Wet ground or shallow water, in bogs and ponds, on shores of lakes and rivers
Elevation 0-2600 m (0-8500 ft)
Distribution
from FNA
AK; AZ; CA; CO; IA; ID; MN; MT; ND; NE; NM; NV; OR; SD; UT; WA; WY; AB; BC; MB; NT; ON; QC; SK; YT
[BONAP county map]
Discussion

Reports of Ranunculus sceleratus var. multifidus for eastern Quebec and New Brunswick are errors for R. sceleratus var. sceleratus.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Hecatonia > Ranunculus sceleratus
Sibling taxa
R. sceleratus var. sceleratus
Synonyms R. sceleratus subsp. multifidus
Name authority Nuttall: in J. Torrey & A. Gray, Fl. N. Amer. 1: 19. (1838)
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