Cerastium biebersteinii DC.

Mat-forming evergreen plant with flowering stems about 40 cm. All parts densely hairy. Leaves linear, sessile, 2-5 cm x 0.2-0.5 cm grey-white. Inflorescence a loose semi-umbel of 8-11 white flowers 2.5 cm diam. V - throughout the year in a mild climate, in St. Petersburg spring generation of leaves in May. Fl - May-June for one month. Fr - July-August. P - by seed or cuttings. Flowers the year after sowing. Requires a sunny position. Z 4.

Crimea. On stony slopes and rocks.