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Clasping Venus's-looking-glass

Triodanis perfoliata

Found in roadsides, gardens, glades, dry forests, disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you

22
Good

Native to Virginia. How scores work Is it native here?

Profile 94%

Height
4–30 inches
Light
Full sun, Part shade
Soil moisture
Dry
Will it fit your yard?

At a glance

Life cycle
Annual
Bloom
April to July

Not yet recorded · Spread · Leaves

Recorded in 102 Virginia counties.

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 53 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

0CaterpillarsGenus host records with ranges including VA
5BeesSoutheastern regional records

Southeastern regional records · Triodanis

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1Specialist beesPollen specialists

Pollen specialists · Triodanis

  • Colletes brevicornis
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Flies 1
  • Anthrax sinuosa

Flower visits · Carlinville, Illinois, USA

Adult butterflies / moths 1
  • Pholisora hayhurstii

Flower visits · Carlinville, Illinois, USA

No records yet · Ants · Beetles · Other wasps · Other insects

Growing and identification

Plant details

Family
Campanulaceae
Flower color
Purple

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “April to July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; Prairie Moon 2026 Cultural Guide differs) · Carolinas and Georgia
  • Flower color · “Purple” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
  • Height · “4–30 inches” · Minnesota Wildflowers (ranked first; Prairie Moon 2026 Cultural Guide differs)
  • Life cycle · “Annual” · Minnesota Wildflowers
  • Light · “Full sun (6+ hours); Part shade (3–6 hours)” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
  • primary_flower_color · “purple” · Prairie Moon 2026 Cultural Guide
  • Soil · “Dry” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
Also known as

Clasping Venus Looking Glass; Clasping Venus's looking glass; Specularia perfoliata

Conservation status

Virginia rankSNR
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources