Petrorhagia been introduced to other continents. Petrorhagia Petrorhagia is a small genus of annual and perennial plants of the pink or carnation family, mostly native to the Mediterranean region. The genus is often referred to as Tunica, which is an obsolete synonym. It is low-growing with wiry stems and narrow, grass-like leaves. The flowers are small, in clusters similar to members of the genus "Dianthus", in pink, lilac, or white. "Petrorhagia saxifraga" is the tunic flower or coat flower, similar to Baby's Breath, but shorter, and used in rock gardens. These plants are mainly native to Eurasia, but some species can
Saponaria are 30 to 40 species in the genus. Species include: Saponaria Saponaria is a genus of flowering plants in the pink family, Caryophyllaceae. They are native to Europe and Asia, and are commonly known as soapworts. They are herbaceous perennials and annuals, some with woody bases. The flowers are abundant, five-petalled and usually in shades of pink or white. The most familiar species might be common soapwort ("S. officinalis"), which is native to Eurasia but is known in much of the world as an introduced species, often a weed, and sometimes a cultivated ornamental plant. The genus name "Saponaria" derives