Flora of North America species comparison

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Ranunculus californicus var. californicus
Photo is of parent taxon

California buttercup, common buttercup
Stems

erect or decumbent, hirsute or glabrous.
Basal leaf blades

2.8-5.8 × 4-6 cm, leaflets or segments undivided or 1-2x-lobed or -parted, ultimate segments oblong-elliptic to lanceolate or linear, margins toothed or entire, apex acute to rounded-acute.
Achenes

1.8-3.2 × 1.4-2.4 mm.
2n

= 28.

Ranunculus californicus var. californicus
Phenology Flowering winter–summer (Mar–Aug).
Habitat Grassland and open woodland
Elevation 0-2000 m (0-6600 ft)
Distribution
from FNA
CA; OR; Mexico (Baja California)
[BONAP county map]
Discussion

Ranunculus californicus var. californicus is variable and has been divided into varieties based on indument, achene size, and especially leaf form. Those characters are poorly correlated, however, and most of the named varieties do not seem natural.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Ranunculus > Ranunculus californicus
Sibling taxa
R. californicus var. cuneatus
Synonyms R. californicus var. austromontanus, R. californicus var. gratus, R. californicus var. rugulosus
Name authority Bentham
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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