isolatocereus dumortieri

Isolatocereus dumortieri is native to Mexico, inhabiting limestone slopes and rocky outcrops. This columnar, polycarpic cactus exhibits a shrubby growth habit uncommon in the Isolatocereus genus, producing multiple stems from a shared base. Stems cylindrical, 2-3 cm diameter, densely clustered reaching 30-50 cm height. Rigid spines, 5-7 per areole, 1-2 cm long, yellow-brown. Dark green epidermis with bluish hues under water stress.