Click to expand Tap to zoom Devil's Backbone Euphorbia Login to view price. SKU 6_SUCC_EUPHORBIA_DEVILS.BACKBONE Botanical Name: Euphorbia tithymaloides Common Names: Devil's Backbone Description: Euphorbia tithymaloides is a perennial succulent spurge. An erect shrub, the plant is also known by the scientific name Pedilanthus tithymaloides.