ARACHNOIDEUM ssp. TOMENTOSUM (C.B.Lehmann & Schnittspahn) Schinz & Thellung, 1923
Synonyms :
Sempervivum tomentosum C.B.Lehmann & Schnittspahn (1856) / Sempervivum arachnoideum var. tomentosum (C.B.Lehmann & Schnittspahn) Hayek (1924)
Sempervivum webbianum hort. ex C.B.Lehmann & Schnittspahn (1856)
Sempervivum laggeri Schott ex Hallier (1892)
Distribution : Europe; mainly south-western part of the range of the species.
Description (according to IHSP, 2003) :
Rosettes 1.5 - 3.5 cm in diameter, somewhat flatly depressed, cobwebby hairs usually abundant, disappearing in autumn / winter.
Leaves broader towards tip than in the typical ssp.
Cytology : 2n = 64 (32)
Rocher du Bredons FOL 2006/08, Cantal, France :

NW Pas-de-Cère FOL 2006/10, Cantal, France :

S. arachnoideum ssp. tomentosum GDJ 92.04 Ceüse, Hautes Alpes, France :

S. arachnoideum ssp. tomentosum 'Moggridgei' La Petite Clue, Gorges du Cians FOL 2009/02 :

S. arachnoideum ssp. tomentosum 'Moggridgei' Grès de Annot, Point de Vue, 1090 m, FOL 2009/08 :


Photos Olivier Legros