Flora of North America species comparison

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Ranunculus eschscholtzii var. trisectus
Photo is of parent taxon

threesection buttercup
Stems

caudex 2-5 cm, sometimes sheathed with persistent leaf bases and sometimes with few or none.
Basal leaf blades

cordate or semicircular, 3-parted, 0.8-2.1 × 1.5-3.5 cm, all segments again 1-2x-lobed or -parted, base truncate or cordate, at least some of middle segments lobed and toothed or 2x-lobed, ultimate segments and sinuses rounded to rounded-acute.
Flowers

petals 7-11 mm.

Ranunculus eschscholtzii var. trisectus
Phenology Flowering summer (Jul–Aug).
Habitat Open rocky slopes and meadows
Elevation 900-3500 m (3000-11500 ft)
Distribution
from FNA
ID; OR; WY
[BONAP county map]
Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Epirotes > Ranunculus eschscholtzii
Sibling taxa
R. eschscholtzii var. eschscholtzii, R. eschscholtzii var. eximius, R. eschscholtzii var. oxynotus, R. eschscholtzii var. suksdorfii
Synonyms R. trisectus
Name authority (B. L. Robinson) L. D. Benson: Amer. J. Bot. 23: 170. (1936)
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.)

Choose a data source: Flora of North America, OregonFlora

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