Habitat: Brazil, West Indies, Central
America and northern part of South America. Description: a genus of rather large, columnar cacti with a bluish or
grayish-green stem. At maturity, plants develop a kind of bristly cephalium
from which nocturnal flowers of various colors arise in the summer. They
have a few synonyms in the genera Cephalocereus and
Pseudopilosocereus. Soil: basic mix. Location: full sun. Temperature: the ideal minimum temperature is around 10-12°C
(50-54°F). Water: average. Cultivation tips: slow growing plants that can be propagated from
seed or cutting, the latter best taken in the summer. Main species: P. albissumus; P. aureilanatus; P. azureus; P.
bradei;
P. glaucescens; P. fulvilanatus; P. rosae; P. pachycladus; P. palmeri.;
P. lanuginosus.