Sagebrush Buttercup - Ranunculus glaberrimus
(see State Rank Reason below)
MNPS Threat Rank
State Rank Reason (see State Rank above)
Widespread and abundant in Montana, partcularly in the western half of the state.
Stems ascending, 5–15 cm with glabrous foliage. Basal leaf blades 1–3 cm long, narrowly elliptic to ovate with entire or lobed margins. Stem leaves deeply lobed. Flowers with petals 6–20 mm long, twice as long as the glabrous sepals. Achenes short-hairy, 1–2 mm long with a straight (curved) beak 0.5–1 mm long; heads hemispheric, 5–10 mm high (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Our plants are variety glaberrimus
One of our earliest blooming wildflowers, typically blooming in March and April but sometimes as early as February.
BC to SK south to CA, NM, NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
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)
Grasslands, steppe, open forest, rocky outcrops; plains, valleys, montane, rarely higher (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- 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.