See text Notocacteae is a tribe of cacti belonging to the subfamily Cactoideae.

[1] It is one of the oldest cactus lineages endemic to South America.

[2] Notocacteae are mostly single, rarely tree-like or shrub-like plants.

Their mostly spherical, non-articulated shoots are ribbed, ribbed-warty or warty.

The small to medium-sized, polysymmetrical to disymmetrical flowers open during the day.