Genus: Praecereus
Accepted
岩棲柱属（Praecereus），本属共 13 个物种。
Article content version 1
…
Featured Specimen: Praecereus Praecereus amazonicus
Description
Etymology: The name means "before cereus" - after the Latin <i>Prae</i>.
This genus is comprised of two species that are widespread in South America and the island of Trindad. The plants are shrubby, sprawling, cylindrical stems with 7 or more ribs. Spines are needle-like and number between 7 and 20 and not especially thick or dense. Funnel-shaped flowers on a stout floral tube with scales, but no spines are white or greenish-white; nocturnal. Fruits are red and elongated - fleshy.Praecereus is little-known in cultivation.
Distribution
Hardiness Zones8a - 11b