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Montana Field Guide

Montana Field Guides

Sagebrush Buttercup - Ranunculus glaberrimus


Global Rank: G5
State Rank: S5
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






State Rank Reason (see State Rank above)
Widespread and abundant in Montana, partcularly in the western half of the state.
 
General Description
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 or ellipticus Greene.

Phenology
One of our earliest blooming wildflowers, typically blooming in March and April but sometimes as early as February.

Species Range
Present
 


Range Comments
BC to SK south to CA, NM, NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 16

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

Recency

 

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



Habitat
Grasslands, steppe, open forest, rocky outcrops; plains, valleys, montane, rarely higher (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Sagebrush Buttercup — Ranunculus glaberrimus.  Montana Field Guide.  .  Retrieved on , from