Pachycereus
| Pachycereus | |
|---|---|
| Pachycereus pringlei in Baja California, Mexico | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Order: | Caryophyllales | 
| Family: | Cactaceae | 
| Subfamily: | Cactoideae | 
| Tribe: | Echinocereeae | 
| Genus: | Pachycereus (A.Berger) Britton & Rose | 
| Type species | |
| Pachycereus pringlei | |
| Species | |
| See text. | |
| Synonyms | |
| 
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Pachycereus is a genus of large cacti native to Central America and Mexico. They form large shrubs or small trees up to 15 m tall, with stout stems up to 1 m in diameter. Pachycereus comes from the ancient Greek παχύς (pachys) meaning "thick" and the Latin cereus meaning "torch".