It is a perennial herb, which reaches a size up to 70 cm high and 1 m in diameter, fleshy, rigid, profusely branched, spiny, with pubescence located in some organs. Woody strain, underground, without fibrous remains. Solid stems, ± asurcados or fluted, up to 2 cm in diameter at the base, somewhat zigzagging superiorly, with numerous alternate branches.