Common Names: No widely recognized vernacular name specifically for P. boollii. However, related species (P. bohlei) are sometimes called “hairy cactus”
Common Names: While not often marketed under a common name, it’s frequently referred to simply under its scientific names. As with others in the genus, you might hear the general term “tree cactus.”
Common Names: Menez Cactus Blue Brazilian Torch (used colloquially in some collector circles) (Note: This species doesn’t have widely established common names and is mostly referred to by its scientific name.)