Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Western Wild Buttercup - Ranunculus adoneus
Other Names:  Ranunculus eschscholtzii var. adoneus

Status Under Review
Undetermined Origin

Global Rank: G4G5
State Rank: SU
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Reported for Montana by Whittemore (FNA)
General Description
Plants perennial. Stems 5-32 cm tall, ascending to erect, glabrous. Basal leaf blades simple,1-5 cm long, several times divided into usually linear segments 0.7-3 mm wide; cauline leaves similar but with progressively shorter petioles. Sepals 5, 3.5-10 mm long, pilose or glabrous, deciduous, spreading. Petals 5-12, 5-15 mm long, yellow. Achenes 2.5-4 mm long, glabrous, arranged 40-70 in an ovoid cluster; beaks 1.4-1.9 mm long, straight or recurved; receptacle glabrous (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).

Range Comments
ID, MT, south to NV, UT, WY and CO (Kartesz in prep. 2012).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Most areas near melting snow in meadows, talus slopes, and confierous communities (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).

Login Logout
Citation for data on this website:
Western Wild Buttercup — Ranunculus adoneus.  Montana Field Guide.  .  Retrieved on , from