Pygmaeocereus
Pygmaeocereus is a genus of small cacti. The genus is endemic to Peru.
These species generally do not reach more than high, and produce a large tuberous root system and scented night flowers.
Species
, Plants of [the World Online] accepted three species:| Image | Scientific name | Distribution |
| Pygmaeocereus bieblii Diers | Peru | |
| Pygmaeocereus bylesianus M.O. Andreae & Backeb. | Peru | |
| Pygmaeocereus densiaculeatus Backeb. | Peru |