Atropurpureum
= Aeonium arboreum 'Atropurpureum'
Synonyms :
Sempervivum mutabile Schlecht ex Breiter (1817)
Sempervivum arboreum atropurpureum Nich. (1887)
Aeonium arboreum var. atropurpureum Berger (1930)
Established as cultivar by B.K.Boom in Succulenta 38(6): 85. 1959.