Agavenbergii ‘아가벤베르기’ (name not established))
E. agavoides x E. derenbergii
As fas as we know, this plant is no longer in cultivation.
Short description : “Attractive german hybrid; very dense rosette of shingled obovate leaves, glaucous blue over green keeled underneath and with purplish brown tips, forming a veritable pyramid.” (Exotica, 1985)