| Dalea purpurea |
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| Scientific classification |
| Kingdom: |
Plantae |
| Clade: |
Tracheophytes |
| Clade: |
Angiosperms |
| Clade: |
Eudicots |
| Clade: |
Rosids |
| Order: |
Fabales |
| Family: |
Fabaceae |
| Subfamily: |
Faboideae |
| Genus: |
Dalea |
| Species: |
D. purpurea |
| Binomial name |
Dalea purpurea
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| Varieties |
- Dalea purpurea var. arenicola (Wemple) Barneby
- Dalea purpurea var. purpurea
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| Synonyms |
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- Dalea arenicola (Wemple) B.L.Turner (2003)
- Dalea purpurea f. albiflora (W.H.Horr & McGregor) McGregor (1957)
- Dalea purpurea f. arenaria (F.C.Gates) McGregor (1957)
- Dalea violacea Michx. ex Willd. (1802)
- Kuhnistera purpurea (Vent.) MacMill. (1892)
- Kuhnistera violacea (Michx.) Aiton ex Steud. (1840)
- Petalostemon arenicola Wemple (1970)
- Petalostemon mollis Rydb. (1900)
- Petalostemon pubescens A.Nelson (1901)
- Petalostemon purpureus (Vent.) Rydb. (1900)
- Petalostemon purpureus f. albiflorus W.H.Horr & McGregor (1952)
- Petalostemon purpureus f. arenarius F.C.Gates (1911)
- Petalostemon purpureus var. mollis (Rydb.) A.Nelson (1909)
- Petalostemon standleyanus Rydb. (1920)
- Petalostemon violaceus Michx. (1803)
- Psoralea purpurea (Vent.) Poir. (1804)
- Psoralea violacea DC. (1825)
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Dalea purpurea is a species of flowering plant in the legume family known as purple prairie clover. Native to central North America, purple prairie clover is a relatively common member of the Great Plains and prairie ecosystems. It blooms in the summer with dense spikes of bright purple flowers that attract many species of insects.