This member of the Primulaceae was described by Philip Miller in 1768. It is found around the Black Sea in Russia, Turkey, Bulgaria and in Lebanon and Israel. It grows in the forests in rich soil with little water and little sun. It can stand rather hard frost. The caudex can grow up to four centimetres in diameter, the leaves will get eight centimetres height. The flowers grow to twelve centimetres high, and wary in colour from white over rose and magenta to dark pink.
The genera name from Greek kyklos: 'circle' referring to the rounded tubers. The species name means 'from Cos'. According to GRIN, it is a member of the Myrsinaceae family. This is a winter-grower or real early spring-grower. A exposed plant by Ori Fragman-Sapir, Powo.science.kew.org.

