Tunicflower

Petrorhagia saxifraga

"Petrorhagia saxifraga", known as tunic flower or coat flower, is a small, herbaceous flowering plant in the family Caryophyllaceae. It is native to parts of Europe and introduced to the United States and Canada, Great Britain, and Sweden. "Petrorhagia saxifraga" is also known as tunic saxifrage, pink saxifrage, or just pink.
Tunic Saxifrage Vipava, Slovenia (2014). Here it was growing in the open fields next to a road. Fall,Geotagged,Petrorhagia saxifraga,Slovenia

Appearance

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. 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.
Petrorhagia saxifraga Marjal Pego, Oliva, Muntanyeta Verda, Alicante, Spain. Geotagged,Petrorhagia saxifraga,Spain,Summer

Naming

Tunic flower was originally described as "Dianthus saxifragus" by Carl Linnaeus in 1753 and renamed "Petrorhagia saxifraga" in 1831. The genus and species name refer to its natural habitat: rock crevices. Two subspecies are accepted:

⤷ "Petrorhagia saxifraga" subsp. "gasparrinii" Pignatti ex Greuter & Burdet
⤷ "Petrorhagia saxifraga" subsp. "saxifraga" Link

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderCaryophyllales
FamilyCaryophyllaceae
GenusPetrorhagia
SpeciesP. saxifraga
Photographed in
Spain
Italy
Slovenia