MARMOREUM ssp. BALLSII (Wale) Zonneveld, 1999
Synonym : Sempervivum ballsii Wale (1940)
Distribution : North-western Greece.
Description (according to IHSP, 2003) :
Rosette almost globular, ± 3 cm in diameter; stolons usually short.
Leaves abruptly mucronate, glabrous, with very few cilia in the upper part, inner leaves appressed,
outer leaves erect, bright green, tinged with olive-green or yellowish, outer leaves buff to light red, ± 18 x 6 - 7 mm.
Flowering branches to 10 cm.
Inflorescence small, compact.
FIowers 10- to 12-merous, to 2 cm in diameter, petals pink to almost white, 8 - 10 mm, anthers orange.
Flowering time : July - August
This ssp. comprises the small glabrous forms with pale flowers. It is sometimes regarded as a synonym of S. marmoreum ssp. marmoreum (Parnell & Favarger 1992).