Pachycereus (A.Berger) Britton & Rose
Pachycereus is a genus of 9–12 species of large cacti native to Mexico and just into southern Arizona, USA. They form large shrubs or small trees up to 5–15 m or more tall, with stout stems up to 1 m diameter.
Pachycereus comes from the ancient Greek "pakhus" meaning "thick" and the Latin "cereus" meaning "torch".
* Pachycereus gatesii
Pachycereus pringlei is the tallest cactus species in the world, with a maximum recorded height of 19.2 m (Salak 2000).
The following genera have been brought into synonymy with Pachycereus:
* Backebergia Bravo
References and external links
* Salak, M. (2000). In search of the tallest cactus. Cactus and Succulent Journal 72 (3).
Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License