rough cinquefoil

(Potentilla norvegica)

Conservation Status
rough cinquefoil
 
  IUCN Red List

not listed

     
  NatureServe

N5? - Secure

SNR - Unranked

     
  Minnesota

not listed

     
           
Wetland Indicator Status
     
  Great Plains

FAC - Facultative

     
  Midwest

FAC - Facultative

     
  Northcentral & Northeast

FAC - Facultative

     
           
 
Description
 
 

Rough cinquefoil is a 1 to 3 tall, erect, annual to short-lived perennial forb that rises on multiple stems from a shallow, branching taproot. In the spring basal leaves form a rosette close to the ground.

The stems are erect or spreading, stout, branching, leafy, and covered with coarse, stiff hairs. They are green when young, becoming dark red in strong sun.

Basal leaves are on long, hairy stalks. The are divided into 3 leaflets. The leaflets are hairy, elliptic to egg-shaped, up to 2 long and 1 wide. The margins have coarse, rounded teeth around the entire margin, including near the base. The terminal leaflet is on a distinct stalk up to ¼ long.

Stem leaves are similar to basal leaves, but are smaller and have shorter leaf stalks. They become smaller as they ascend the stem.

The inflorescence is terminal clusters at the end of branches and individual flowers on short, hairy stalks arising from some of the leaf axils.

The flowers are to ½ wide. The 5 petals are yellow, rounded at the base, flattened at the broad tip, with a shallow notch at the tip.The 5 green sepals are longer than the petals and alternate with the petals. The 5 bractlets are dark green and about as long as the sepals when the flower is fully open. They alternate with the sepals and are visible below the petals when the flower is viewed from above. There are 10 to 20 yellow stamens. There is no floral scent.

 
     
 

Height

 
 

1 to 3

 
     
 

Flower Color

 
 

Yellow

 
     
 

Similar Species

 
 

In the spring the plant forms a rosette close to the ground, which may be confused with common strawberry (Fragaria virginiana) or woodland strawberry (Fragaria vesca var. americana). However, the leaves of rough cinquefoil tend to be toothed around the entire margin, while the leaves of the strawberries tend to be untoothed near the base. Both of the strawberries are low and prostrate on the ground when mature, and have white flowers.

Silvery cinquefoil (Potentilla argentea var. argentea) has larger flowers. The leaves are distinctly lobed and are white and woolly underneath.

Sulphur cinquefoil (Potentilla recta) branches only above where the flower stems begin to appear. The flowers are pale yellow and larger. The flower petals are longer than the sepals between them.

 
     
 
Habitat
 
 

Dry. Fields, meadows, pastures, roadsides. Full or partial sun.

 
     
 
Biology
 
 

Flowering

 
 

June to August

 
     
 
Use
 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

2, 3, 4, 5, 7, 28.

 
  12/30/2011      
         
 

Nativity

 
 

Native

 
         
 

Occurrence

 
 

 

 
         
 
Taxonomy
 
  Kingdom Plantae (green algae and land plants)  
  Subkingdom Viridiplantae (green plants)  
  Infrakingdom Streptophyta (land plants and green algae)  
  Superdivision Embryophyta (land plants)  
  Division Tracheophyta (vascular plants)  
  Subdivision Spermatophytina (seed plants)  
  Class Magnoliopsida (flowering plants)  
  Superorder Rosanae  
 

Order

Rosales (roses, elms, figs, and allies)  
 

Family

Rosaceae (rose)  
  Subfamily Rosoideae  
  Tribe Potentilleae (strawberries, cinquefoils, and allies)  
  Subtribe Potentillinae  
 

Genus

Potentilla (cinquefoil)  
       
 

Subordinate Taxa

 
 

 

 
       
 

Synonyms

 
 

Potentilla monspeliensis

Potentilla norvegica ssp. hirsuta

Potentilla norvegica var. hirsuta

Potentilla norvegica var. labradorica

Potentilla norvegica ssp. monspeliensis

 
       
 

Common Names

 
 

Norway cinquefoil

Norwegian cinquefoil

rough cinquefoil

strawberry-weed

tall five-finger

upright cinquefoil

yellow cinquefoil

 
       

 

 

 

 

 

 

 

 

Glossary

Axil

The upper angle where the leaf stalk meets the stem.

 

Bract

Modified leaf at the base of a flower stalk, flower cluster, or inflorescence.

 

Bractlet

A small, often secondary bract within an inflorescence; a bract that is borne on a petiole instead of subtending it.

 

Sepal

An outer floral leaf, usually green but sometimes colored, at the base of a flower.

       
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MinnesotaSeasons.com Photos
   

Plant

  rough cinquefoil    
       

Inflorescence

  rough cinquefoil flower with Hoverfly   rough cinquefoil
       

Flower

  rough cinquefoil    
       

Leaves

  rough cinquefoil leaf    
       

Stem

  rough cinquefoil    
       
       

 

Camera

     
Slideshows
   
  Potentilla norvegica NORWAY CINQUEFOIL
Frank Mayfield
 
  Potentilla norvegica NORWAY CINQUEFOIL  

 

slideshow

       
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