Petrorhagia 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 be found nearly worldwide, having
Mandragora (genus) for example, bryony ("Bryonia") is explicitly mentioned as the source of a "mandrake" or "mandragora" in some sources. Mandragora (genus) Mandragora is a plant genus belonging to the nightshade family (Solanaceae). Members of the genus are known as mandrakes. There are between three and five species in the genus. The one or two species found around the Mediterranean constitute the mandrake of ancient writers such as Dioscorides. Two or three further species are found eastwards into China. All are perennial herbaceous plants, with large tap-roots and leaves in the form of a rosette. Individual flowers are bell-shaped, whitish through to