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Montana Field Guide

Montana Field Guides

Imperfect Wild Buckwheat - Eriogonum mancum


Global Rank: G4
State Rank: S4

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

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General Description
Cushion-forming perennial from a woody, branched caudex. Flowering stems erect, 1–10 cm, covered in old leaf bases below. Leaves all basal; the blades oblanceolate, tomentose, 5–15 mm long. Inflorescence capitate with a cluster of several involucres; bracts scale-like; involucres tomentose, 1–4 mm long with 5 erect lobes. Flowers 1–3 mm long, cream to yellow, cup-shaped; tepals glabrous, punctate, similar in shape; stamens exserted. Achenes 20-3 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Regional endemic of southwestern MT, east-central ID, and north-central WY.


Summary of Observations Submitted for Montana
Number of Observations: 43

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Relative Density

Recency

 

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



Habitat
Stony, calcareous soil of exposed ridges, warm slopes; valleys to montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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