Clasping Venus's-looking-glass
Triodanis perfoliata
In the Carolinas and Georgia, found in roadsides, gardens, glades, dry forests, disturbed areas. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Arkansas (estimated). How scores work Is it native here?
Profile 94%
- Height
- 4–30 inches
- Light
- Full sun, Part shade
- Soil moisture
- Dry

At a glance
- Life cycle
- Annual
- Bloom
- April to July
Not yet recorded · Spread · Leaves
Recorded in 56 Arkansas counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Forests and open woodlands on dry ridges and slopes, often oak or pine.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 91 animals.
- Eastern PhoebeSayornis phoebe
- Eastern Screech-owlMegascops asio
- Eastern Wood-peweeContopus virens
- European StarlingSturnus vulgaris
- Golden-crowned KingletRegulus satrapa
- Gray CatbirdDumetella carolinensis
- Great Horned OwlBubo virginianus
- Great-tailed GrackleQuiscalus mexicanus
- Hairy WoodpeckerPicoides villosus
- Hooded MerganserLophodytes cucullatus
- Lark SparrowChondestes grammacus
- Lincoln's SparrowMelospiza lincolnii
- Mourning DoveZenaida macroura
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Orchard OrioleIcterus spurius
- OspreyPandion haliaetus
- OvenbirdSeiurus aurocapilla
- Pileated WoodpeckerDryocopus pileatus
- Pine SiskinCarduelis pinus
- Purple FinchCarpodacus purpureus
- Red-bellied WoodpeckerMelanerpes carolinus
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Red-tailed HawkButeo jamaicensis
Who uses this plant?
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
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
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” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (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
| Arkansas rank | SNR |
|---|---|
| Global rank | G5 |
| AR status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Arkansas occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- 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
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

























