clasping-leaved Venus’ looking-glass

(Triodanis perfoliata ssp. perfoliata)

Conservation Status
clasping-leaved Venus’ looking-glass
 
  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

FACU - Facultative upland

     
           
 
Description
 
 

 

 
     
 

Height

 
 

4 to 40

 
     
 

Flower Color

 
 

Blue to purple

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Dry. Prairies, ledges, bluff tops, upland forest openings, streambanks, river banks, roadsides, railroads, disturbed sites.

 
     
 
Ecology
 
 

Flowering

 
 

May to August

 
     
 

Pests and Diseases

 
 

 

 
     
 
Use
 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

2, 3, 4, 5, 7, 28, 29, 30.

 
  3/24/2023      
         
 

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 Asteranae  
 

Order

Asterales (sunflowers, bellflowers, fanflowers, and allies)  
 

Family

Campanulaceae (bellflower)  
  Subfamily Campanuloideae (bellflower)  
 

Genus

Triodanis  
  Species Triodanis perfoliata (Venus’ looking-glass)  
       
 

Two subspecies of Triodanis perfoliata are generally recognized, T. p. ssp. perfoliata and T. p. ssp. biflora. Some sources, including USDA PLANTS, GRIN, and iNaturalist, classify the latter as the full species Triodanis biflora, and recognize no subspecies of Triodanis perfoliata.

 
       
 

Subordinate Taxa

 
 

 

 
       
 

Synonyms

 
 

Legousia perfoliata

Specularia perfoliata

 
       
 

Common Names

 
 

clasping Venus' looking-glass

clasping Venus' lookingglass

clasping-leaved Venus’ looking-glass

clasping-leaf Venus’-looking-glass

round-leaved triodanis

 

 

 

 

 

 

 

 

 

 

 
 
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MinnesotaSeasons.com Photos
 
 

Plant

 
    clasping-leaved Venus’ looking-glass      
           
 

Inflorescence

 
    clasping-leaved Venus’ looking-glass      
           
 

Leaves

 
    clasping-leaved Venus’ looking-glass      

 

Camera

     
 
Slideshows
 
  Plant portrait - Venus' looking glass (Triodanis perfoliata)
Identify that Plant
 
   
 
About

Published on Aug 15, 2013

A detailed look at characteristics of Venus' looking glass (Triodanis perfoliata). These images can help to accurately identify the plant during different phases of its annual life cycle.

 

 

slideshow

       
 
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Other Videos
 
     
     
     

 

Camcorder

 
 
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MinnesotaSeasons.com Sightings
 
 

 

 

 

 

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