Pfeiffera boliviana, also known as Lepismium bolivianum or Rhipsalis boliviana, is an epiphytic cactus that grows as a hanging mass of many-branched, somewhat 4-angled, up to 3 feet (90 cm) long stems. Branches are green, flattened, up to 12 inches (30 cm) long, and up to 0.8 inches (2 cm) wide.