 The stem is erect to ascending, profusely branched, primary stems terete (tapering at both ends) or 3-angled for a short portion at base, becoming ligneous (woody), flat at most of their length, secondary stems flat, flattened portions to 60 cm long, to 6–10 cm wide, stiff and rather succulent.The leaves are lanceolate to long linear, acute or obtuse, median nerve rather thick, margins deeply or coarsely crenate, lobes oblique; areoles at the bases of stems sometimes bearing hairs or small bristles, internodes (plant stem part between nodes) narrow or broad.The Epidermis is green or almost grayish green, smooth.