Epiphyllum anguliger also known as Fishbone cactus, is a species of cactus that is native to Mexico and Central America. It is a climbing cactus that can grow up to 20 feet long. It is known for its unique, narrow, flattened, ribbed and curved stems that resemble fishbones, hence the name.

The plant produces large, fragrant, white flowers that bloom at night. The blooms are long-lasting, lasting up to several days. Fishbone cactus is a popular choice for indoor cultivation, it can be grown in a hanging basket or trained to climb a trellis or other support.