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Montana Field Guide

Montana Field Guides

Pennsylvania Cinquefoil - Potentilla pensylvanica


Global Rank: G5
State Rank: SNR

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

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General Description
Perennial from a woody, branched caudex clothed in old stipules. Stems ascending to erect, pubescent to tomentose, 10–30 cm. Leaf blades oblong, 3–8 cm long, pinnately divided into 5 to 11 lanceolate, pinnately lobed leaflets, sparsely hairy above, tomentose to sericeous beneath. Inflorescence a hirsute, tomentose, glandular, compact cyme. Flowers: sepals lanceolate, 3–6 mm long; bracteoles equal or longer; petals yellow, 4–7 mm long, ca. as long as the sepals. Achenes smooth, granular on top, ca. 1.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to QC south to CA, NM, NE and MN (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 19

(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 grasslands, steppe, meadows; plains, valleys to rarely lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Pennsylvania Cinquefoil — Potentilla pensylvanica.  Montana Field Guide.  .  Retrieved on , from