smooth rose

(Rosa blanda var. blanda)

Conservation Status
smooth rose
 
  IUCN Red List

not listed

     
  NatureServe

N5 - Secure

SNR - Unranked

     
  Minnesota

not listed

     
           
Wetland Indicator Status
     
  Great Plains

FACU - Facultative upland

     
  Midwest

FACU - Facultative upland

     
  Northcentral & Northeast

FACU - Facultative upland

     
           
 
Description
 
 

Smooth rose is a 36 to 48 tall, erect, perennial shrub that rises on a single stem or a tight cluster of 2 to 4 stems from a root crown and rhizomes. It often forms loose colonies.

The stems are erect, slender, and weak. First-year stems and branches are reddish-brown to dark purplish-brown and have no prickles. As they age they become gray and rough and the lower portion of the stem develops slender, straight prickles. The upper portion of the plant remains relatively free of prickles.

The leaves are alternate, deciduous, 2 to 3½ long, and 2 to 2¾ wide. They are on hairy, to13 16 long leaf stalks. At the base of the leaf stalk is a pair of leaf-like stipules that are fused to the base of the leaf stalk. The stipules are untoothed or may have a few glandular teeth above the middle. The leaves are pinnately divided into usually 7, sometimes 5 or 9, leaflets.

The leaflets are elliptical to inversely egg-shaped, 1 to 19 16 long, and to wide. They are angled or rounded at the base and blunt or rounded at the tip. The upper surface is dark green, dull, and hairless. The lower surface is paler green and softly hairy. The margins are singly toothed with 10 to 17 sharp, forward-pointing teeth per side. The lower quarter of the margin is untoothed.

The inflorescence is a solitary flower or cluster of 2 to 4 flowers at the ends of lateral branches of woody, previous year’s stems.

The flowers are 1½ to 2 in diameter. They are on hairless, to ¾ long stalks. There are 5 green, to 1 long, 1 16 to wide sepals; 5 pink or reddish, ¾ to 13 16 long and wide petals; and numerous stamens and styles. The hypanthium is hairless.

The fruit is an achene surrounded by the mature floral tube (hip). The hip is red, nearly spherical to egg-shaped, berry-like, and to ¾ in diameter. It matures in early August to mid-September.

 
     
 

Height

 
 

36 to 48

 
     
 

Flower Color

 
 

Pink or reddish

 
     
 

Similar Species

 
  Other roses have prickles throughout, including on new growth.  
     
 
Habitat
 
 

Dry to moderate moisture. Prairies, open woodlands, forest margins, thickets, dunes, fencerows, roadsides, railroads. Full to partial sun.

 
     
 
Biology
 
 

Flowering

 
 

Early June to Late June

 
     
 

Pests and Diseases

 
 

Spiny rose gall wasp (Diplolepis bicolor) produces a large, spine-covered gall that may completely engulf a leaflet.

 
     
 
Use
 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

2, 3, 4, 5, 7, 8, 24, 28.

 
  8/17/2013      
         
 

Nativity

 
 

Native

 
         
 

Occurrence

 
 

Common

 
         
 
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 (dicots)  
  Subclass Rosidae  
  Superorder Rosanae  
 

Order

Rosales (roses, elms, figs, and allies)  
 

Family

Rosaceae (rose)  
  Subfamily Rosoideae  
  Tribe Roseae  
 

Genus

Rosa (rose)  
  Subgenus Rosa  
  Section Rosa  
  Species Rosa blanda (smooth rose)  
       
 

Subordinate Taxa

 
 

 

 
       
 

Synonyms

 
 

Rosa blanda var. carpohispida

Rosa rousseauiorum

Rosa subblanda

Rosa williamsii

 
       
 

Common Names

 
 

meadow rose

prairie rose

smooth rose

smooth wild rose

 
       

 

 

 

 

 

 

 

 

Glossary

Achene

A dry, one-chambered, single-seeded fruit, formed from a single carpel, with the seed attached to the membranous outer layer (wall) only by the seed stalk; the wall, formed entirely from the wall of the superior ovary, does not split open at maturity, but relies on decay or predation to release the contents.

 

Hypanthium

A cup-like tubular structure of a flower formed from the fused bases of sepals, petals, and stamens, that surrounds the pistil. Its presence is diagnostic of many families, including Rose, Gooseberry, and Pea.

 

Pinnate

Having the leaflets of a compound leaf arranged on opposite sides of a common stalk.

 

Sepal

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

 

Stipule

A small, leaf-like, scale-like, glandular, or rarely spiny appendage found at the base of a leaf stalk, usually occurring in pairs and usually dropping soon.

       
Visitor Photos
   

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Luciearl
       
  smooth rose    
       
Dan W. Andree
       

Wild Roses...

While out in the woods I noticed a sweet smell and came upon some wild roses. They were in a nice setting with some ferns etc.

  smooth rose   smooth rose
       
  smooth rose    
       
MinnesotaSeasons.com Photos
   

Plant

  smooth rose   smooth rose
       

Flower

  smooth rose   smooth rose
       
  smooth rose    
       

Leaves

  smooth rose   smooth rose
       
  smooth rose    
       

Stem

  smooth rose   smooth rose
       

Infructescence

  smooth rose    
       

Fruit

  smooth rose    
       
       

 

Camera

     
Slideshows
   
  Rosa blanda EARLY WILD ROSE
Frank Mayfield
 
  Rosa blanda EARLY WILD ROSE  

 

slideshow

       
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Visitor Sightings
   

Report a sighting of this plant.

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Luciearl
6/18/2020

Location: Fairview Twp, Cass County

smooth rose


Dan W. Andree
Spring 2019

Location: rural Norman Co., Mn.

While out in the woods I noticed a sweet smell and came upon some wild roses. They were in a nice setting with some ferns etc.

smooth rose


     
     
 
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