Flowering Silver Torch Cactus (cleistocactus Strausii) In Garden Stock Image

Cleistocactus strausii, the silver torch or wooly torch, is a perennial flowering plant in the family Cactaceae. It is native to mountainous regions of Department Tarija, Bolivia. The long cylindrical flowers protrude horizontally and radially from the columns. In common with other cacti in the genus Cleistocactus, the flowers hardly open, with only the style and stamens protruding.