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Montana Field Guide

Montana Field Guides

Yellow Wild Buckwheat - Eriogonum flavum

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Native Species

Global Rank: G5
State Rank: S5

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

External Links

 
General Description
Perennial, often forming cushions from a tightly-branched caudex. Flowering stems erect, white-hairy, 5–30 cm. Leaves basal; the blade 1–6 cm long, oblanceolate, tomentose below, sometimes glabrous above. Inflorescence capitate to umbellate, bracts spreading, leaf-like; involucres tomentose, 4–9 mm long with 5 to 8 erect lobes. Flowers 4–6 mm long, yellow, campanulate with a tubular base; tepals hirsute, similar in shape; stamens exserted. Achenes 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

We have varieties flavum and piperi (Greene) M.E. Jones.

Species Range
Present
 


Range Comments
AK to Man. south to OR, CO, and NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 153

(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
Stony soil of exposed ridges, moraine, grasslands and meadows (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Yellow Wild Buckwheat — Eriogonum flavum.  Montana Field Guide.  .  Retrieved on , from