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Montana Field Guide

Montana Field Guides

Horse Cinquefoil - Potentilla hippiana
Other Names:  Potentilla effusa


Global Rank: G5
State Rank: S4

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

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General Description
Perennial from a thick, branched caudex. Stems erect to ascending, tomentose, 15–40 cm. Leaf blades oblong, pinnately divided into 5 to 13 oblong, lobed leaflets, 1–3 cm long, sericeous and/or tomentose above, tomentose beneath. Inflorescence many-flowered, sericeous and tomentose, open with ascending branches. Flowers: sepals lanceolate, 3–5 mm long; bracteoles narrower and shorter; petals yellow, 4–7 mm long, barely longer than the sepals. Achenes smooth, ca. 1.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 31

(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 or sandy soil of grasslands, steppe; 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:
Horse Cinquefoil — Potentilla hippiana.  Montana Field Guide.  .  Retrieved on , from