Western Wild Buttercup - Ranunculus adoneus
Ranunculus eschscholtzii var. adoneus
State Rank Reason (see State Rank above)
Reported for Montana by Whittemore (FNA)
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.).
ID, MT, south to NV, UT, WY and CO (Kartesz in prep. 2012).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(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.).
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.