SOSNOWSKYI Ter-Chatsch. 1947
Section Sempervivum
Distribution : Georgia, on lilmestone rocks, and in Turkey on metamorphic rocks and moist sub-alpine steppe, 1500 - 2400 m, in a relatively humid climate with cool winters and mild summers.
Description (according to Karaer et al., 2010) :
Perennial plants.
Rosettes (8-) 10 - 15 (-20) cm in diameter, offsets few.
Leaves oblong-spatulate, 60 - 80 x 20 - 25 mm, glabrous, margins ciliate, tips purple.
Cauline leaves oblong-oblanceolate, glabrous and widely lingulate with reddish tips, 60 - 90 (-100) x 25 - 35 mm, imbricate.
Inflorescence dense, (40-) 60 - 210 flowered, pedicels 2 - 3 cm.
Flowers (12-) 14 - 16 (-18)-merous, ca 30 - 35 mm in diameter, sepals oblong-ovate and glandular hairy, tips dark purple, petals greenish-yellow, linear-lanceolate and glandular hairy outside, purplish towards the base, filaments (24-)28 - 32 (-36), pale lavender or violet, anthers yellow.
S. sosnowskyi is closely related to the Turkish endemics S. armenum and S. glabrifolium.