clasping-leaved Venus’ looking-glass
(Triodanis perfoliata ssp. perfoliata)
Conservation • Wetland • Description • Habitat • Biology • Use • Distribution • Taxonomy
Conservation Status |
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| IUCN Red List | not listed |
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| NatureServe | N5 - Secure SNR - Unranked |
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| Minnesota | not listed |
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Wetland Indicator Status |
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| Great Plains | FAC - Facultative |
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| Midwest | FAC - Facultative |
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| Northcentral & Northeast | FACU - Facultative upland |
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Description |
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Height |
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4″ to 40″ |
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Flower Color |
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Blue to purple |
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Similar Species |
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Habitat |
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Dry. Prairies, ledges, bluff tops, upland forest openings, streambanks, river banks, roadsides, railroads, disturbed sites. |
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Biology |
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Flowering |
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May to August |
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Pests and Diseases |
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Use |
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Distribution |
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Sources |
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| 3/24/2023 | ||||
Nativity |
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Native |
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Occurrence |
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Taxonomy |
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| 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. |
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Subordinate Taxa |
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Synonyms |
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Legousia perfoliata Specularia perfoliata |
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Common Names |
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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 |
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Plant |
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Inflorescence |
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Leaves |
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Slideshows |
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| Plant portrait - Venus' looking glass (Triodanis perfoliata) Identify that Plant |
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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. |
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MinnesotaSeasons.com Sightings |
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