ARACHNOIDEUM ssp. ARACHNOIDEUM
Synonyms :
Sempervivum heterotrichum Schott (1853)
Sempervivum arachnoideum var. glabrescens Willkomm (1882)
Sempervivum moggridgei De Smet ex Hooker (1882)
Distribution : Europe; mainly in the eastern part of the range of the species.
Description (according to IHSP, 2003) :
Rosette to 1.5 cm in diameter, cobwebby hairs variable in quantity, sometimes rather scanty.
Cytology : 2n = 32 (64)
See also : Le mutazioni di un Sempervivum arachnoideum della Valtellina