Bergerocactus emoryi (golden cereus, golden-spined cereus, golden snakecactus) is a species of cactus. It is the sole member of the genus Bergerocactus, named after Alwin Berger. The plant is also known as snake cactus, though this latter name also applies to Echinocereus pensilis. This cactus is frail, appear in clusters, has up to 20 ribs and ramifications. It is rarely higher than 1 m, and diameter is usually less than 5 cm. Flowers are yellow and appear near the plant's apex, reaching 2 cm in length and diameter. They are tunnel-shaped.