 It is one of the three major species involved in creating the widely grown epiphyllum hybrids or "epis".The others are "Disocactus speciosus" and "Epiphyllum crenatum".Stems to 1 m long or more, branching, primary stems to 40 cm long, 6 mm thick, woody and terete at base, flattened at apex; secondary stems flat, lanceolate, acute, margins coarsely crenated or scalloped, obtusely toothed, with terete, stalk-like base, 15–30 cm long, 2,5–5 cm wide; areoles nude except for young growth; epidermis green or reddish, nearly smooth.