Wigginsia

Family: Cactaceae Habitat: South America, west side (Brazil, Argentina, Uruguay and Paraguay) Cultivation: The wigginsia have a rather rapid growth and they bloom easily. They only reproduce by seed.

Stetsonia

Family: Cactaceae Habitat: North West Argentina, Bolivia and Paraguay Cultivation: Stetsonia is not difficult to cultivate but has a very slow growth. In winter it should be sheltered, but can [...]

Monvillea

This genus contains a single species, M. spegazzinii, highly sought  especially in monstrous and crested forms. According to some classifications, it should be part of the Cereus genus.

Frailea

Family: Cactaceae Habitat: South America, Argentina, Bolivia, Brazil, Paraguay and Uruguay