Agave utahensis ssp. eborispina is with ivory spined Utah century plant. It is a dramatic, super hardy, small Agave from the Nopah Mountains near Las Vegas growing to about one foot tall and wide in a rosette of thick, blue-green, heavily-toothed leaves tipped with the longest terminal spines of the subspecies that can reach four or more inches in length and which can gradually curving or rippled and contorted as if they were electrocuted! Plants can produce pups that are held closely to the mother plant. Photo: Wikipedia.
Americas - North America
Cracks of rocks and amongst boulders.