Paper Spine Cactus (Tephrocactus articulatus var. papyracanthus) (Backeberg) is a unique cactus with long, flattened pseudo-spines that resemble raffia. It grows knobby, segmented stems that can branch and stack up quite tall over time. This variety can also bloom, the stem segments break off easily and are readily re-rooted. Suitable for both indoor and outdoor.