Rhipsalis, 4in, TrigonaRhipsalis trigona, often sold under the misspelling Rhipsalis trangona, is a much branched epiphytic cactus known for its segmented, pendulous, and often twisted stems that are triangular in cross section. Native to the rainforests of Brazil, this unique succulent is an excellent, low maintenance houseplant that thrives in hanging baskets. Stems: The long, cascading stems consist of plump, vibrant green segments. Each segment has three distinct ribs