Peniocereus - online puzzles

Peniocereus is a genus of vining cacti, comprising about 18 species, found from the southwestern United States and Mexico. They have a large underground tuber, thin and inconspicuous stems. Its name comes from the prefix penio- (from the Latin penis, meaning ‘ tail ’) and Cereus, the large genus from which it was split.

Known as the desert night -blooming cereus, it also shares its common names of “ night -blooming cereus” and “ queen of the night ” with many other similar cacti.