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Inflorescence -
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Fruits and seeds
Global InformationPetrorhagia saxifraga information
| Petrorhagia saxifraga | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Caryophyllaceae |
| Genus: | Petrorhagia |
| Species: | P. saxifraga
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| Binomial name | |
| Petrorhagia saxifraga (L.) Link[1]
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| Synonyms[1] | |
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List
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Petrorhagia saxifraga, known as tunic flower or coat flower, is a small, herbaceous flowering plant in the family Caryophyllaceae.[1][2] It is native to parts of Europe and introduced to the United States and Canada, Great Britain, and Sweden.[1][2] Petrorhagia saxifraga is also known as tunic saxifrage, pink saxifrage, or just pink.[3][4]
It is a wiry plant with numerous branching stems, narrow leaves, and flowers growing solitary at the ends of branches. The petals range from pink to white.[5] It is commonly cultivated in rock gardens and used along borders, escaping to grow in lawns, along roadsides, along shorelines, and in other sandy disturbed areas.[2][4][6]
Tunic flower was originally described as Dianthus saxifragus by Carl Linnaeus in 1753 and renamed Petrorhagia saxifraga in 1831.[7][8] The genus and species name refer to its natural habitat: rock crevices.[3] Two subspecies are accepted:
- Petrorhagia saxifraga subsp. gasparrinii (Guss.) Pignatti ex Greuter & Burdet
- Petrorhagia saxifraga subsp. saxifraga (L.) Link
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