(Pygmaeocereus bieblii)
Pygmaeocereus bieblii is a species of Pygmaeocereus from Peru. Pygmaeocereus is a genus of diminutive cacti (family Cactaceae). It is native to South America. These species generally do not reach more than 100 mm (4 in) high, and produce a large tuberous root system and scented night flowers.