Blue-green candelabra-shaped cactus tree from the Chihuahuan Desert, central and southern Mexico. May be wider than tall. Stems are about 4 inches in diameter and blue-green, often branching heavily, with 5-6 ribs, 1 central spine, 5-9 radial spines. Old plants develop strong, woody trunks and may retain dozens of branches. The flower is greenish white and just over an inch wide. More than one flower may be produced per areole. The fruit (garambullo) is a purple berry about half that size, prized for its great deliciousness.

Widespread in central Mexico (from Tamaulipas to Oaxaca). Winter cold is thought to determine the northern extent of its range. This species is geographically distinct from the similar-looking Myrtillocactus cochal, from Baja California, also with edible fruit.

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