Petrorhagia saxifraga

Petrorhagia saxifraga
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Caryophyllaceae
Genus:	Petrorhagia
Species:	P. saxifraga
Binomial name
	Petrorhagia saxifraga; (L.) Link[1]
Synonyms[1]
	List Dianthus filiformis Lam. ; Dianthus saxifragus L. ; Gypsophila arenicola Dufour ; Gypsophila asperula Dufour ex Nyman ; Gypsophila eubonensis Sibth. & Boiss. ; Gypsophila multicaulis Poir. ; Gypsophila permixta Guss. ; Gypsophila rigida L. ; Gypsophila saxifraga L. ; Gypsophila scabra Schult. ex Steud. ; Imperatia filiformis Moench ; Kohlrauschia saxifraga (L.) Dandy ; Silene tunica E.H.L.Krause ; Tunica arenicola Nyman ; Tunica ciliata Dulac ; Tunica erecta Jord. & Fourr. ; Tunica saxifraga (L.) Scop. ; Tunica xerophila Jord. & Fourr. ; ;

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

Inflorescence
Flower detail
Fruits and seeds

References

"Petrorhagia saxifraga (L.) Link". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 6 January 2018.
Rabeler, Richard K. and Ronald L. Hartman (2005). "Petrorhagia saxifraga". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 5. New York and Oxford. Retrieved 6 January 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.CS1 maint: uses authors parameter (link)
"Petrorhagia saxifraga - Plant Finder". www.missouribotanicalgarden.org. Missouri Botanical Garden. Retrieved 6 January 2019.
Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Petrorhagia saxifraga". Michigan Flora Online. University of Michigan Herbarium.
Wilhelm, Gerould; Rericha, Laura (2017). Flora of the Chicago Region: A Floristic and Ecological Synthesis. Indiana Academy of Sciences.
Rabeler, Richard K. and Ronald L. Hartman (2005). "Petrorhagia saxifraga (Linnaeus) Link var. saxifraga". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 5. New York and Oxford. Retrieved 6 January 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.CS1 maint: uses authors parameter (link)
"Petrorhagia saxifraga (L.) Link". ipni.org. International Plant Names Index. Retrieved 6 January 2018.
"Dianthus saxifragus L." ipni.org. International Plant Names Index. Retrieved 6 January 2018.

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[powo-1] "Petrorhagia saxifraga (L.) Link". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 6 January 2018.

[fna-2] Rabeler, Richard K. and Ronald L. Hartman (2005). "Petrorhagia saxifraga". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 5. New York and Oxford. Retrieved 6 January 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.CS1 maint: uses authors parameter (link)

[pf-3] "Petrorhagia saxifraga - Plant Finder". www.missouribotanicalgarden.org. Missouri Botanical Garden. Retrieved 6 January 2019.

[miflora-4] Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Petrorhagia saxifraga". Michigan Flora Online. University of Michigan Herbarium.

[fotcr2017-5] Wilhelm, Gerould; Rericha, Laura (2017). Flora of the Chicago Region: A Floristic and Ecological Synthesis. Indiana Academy of Sciences.

[fnasubsp-6] Rabeler, Richard K. and Ronald L. Hartman (2005). "Petrorhagia saxifraga (Linnaeus) Link var. saxifraga". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 5. New York and Oxford. Retrieved 6 January 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.CS1 maint: uses authors parameter (link)

[ipni1-7] "Petrorhagia saxifraga (L.) Link". ipni.org. International Plant Names Index. Retrieved 6 January 2018.

[ipni2-8] "Dianthus saxifragus L." ipni.org. International Plant Names Index. Retrieved 6 January 2018.