[3] The genus occurs only in northern Brazil and is found at rocky places, under shrubs, which support their frail stalk.

The species often have frail stalks that can be upright or procumbent, reaching 2 m high and about 2 to 5 cm thick.

The fruit is berry-like, spherical with a maximal diameter of 1.5 cm, and pink or red when ripe.

As of September 2023[update], Plants of the World Online accepted the following species:[1] These tropical cacti are ideal for hanging baskets because of their snake like growth, but they are difficult to cultivate.

It grows best on slightly humid soil and with plenty of watering from spring to autumn.