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
Vaccaria Vaccaria Vaccaria is a monotypic genus of flowering plants in the pink family containing the single species Vaccaria hispanica. It is known by several common names including "cowherb", "cowcockle", "cow basil", "cow soapwort", and "prairie carnation". Its subspecies were previously treated as separate species. It is an annual herb with blue-gray, waxy herbage and pale pink flowers. It is native to Eurasia but can be found in many other regions as an introduced species and a common weed. The seeds of "Vaccaria" are used in Chinese medicine. This medicinal ingredient is known as Wang Bu Liu Xing. It is supposed