Lophocereus schottii

Pachycereus schottii
Scientific classification
Kingdom:	Plantae
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Genus:	Pachycereus
Species:	P. schottii
Binomial name
Pachycereus schottii (Engelm.) D.R.Hunt

Pachycereus schottii, the senita cactus, is a species of cactus from southern Arizona and north-western Mexico, particularly Baja California and Sonora. Synonyms include Pilocereus schottii and Lophocereus schottii.

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Wikipedia