Petrorhagia saxifraga

Petrorhagia saxifraga
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Petrorhagia
Species:
P. saxifraga
Binomial name
Petrorhagia saxifraga
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
    Inflorescence
  • Flower detail
    Flower detail
  • Fruits and seeds
    Fruits and seeds
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