PUMILUM Bieberstein, 1808
Synonyms :
Sempervivum montanum Eichwald (1833)
Sempervivum braunii Ledebour (1843)
Sempervivum dominii Konop & Konopova (1984)
Distribution : Northern Caucasus (Russia / Georgia: Ossetia); alpine zone and in xerophytic scrub, 1300 - 3000 m.
Description (according to 't Hart, Bleij & Zonneveld in IHSP, 2003) :
Rosettes open, 1 - 2 cm in diameter, in tufts; stolons many, to 1 cm.
Leaves lanceolate or oblong-lanceolate, acute or shortly acuminate, sometimes glabrous, both faces convex, greyish-green, spreading, ± 10 x 3 - 4 mm, ± 2 mm thick;.
Flowering branches 4 - 10 cm l,eaves lanceolate to linear-lanceolate, acuminate, suberect, 10 – 15 mm.
Inflorescences few- flowered, with 2 - 3 very short cincinni.
FIowers 10- to 12-merous, ± 2 cm in diameter,sepals connate to 2.5 mm, acute or shortly acuminate, reddish, with purple tip, ± 5 mm,petals lanceolate to oblong-lanceolate, apiculate or shortly acuminate, rose-purple, with pale margin, ± 10 mm.
Cytology : 2n = 34
S. altum has erroneously been included in the synonymy of this species by Borissova (1939).