Pachycereus

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 15 m or more tall, with stout stems up to 1 m in diameter. Pachycereus comes from the ancient Greek pakhus meaning `thick` and the Latin cereus meaning `torch`. P. pringlei is the tallest cac...
Found on http://en.wikipedia.org/wiki/Pachycereus

Pachycereus

(Elephant Cactus, Hairbrush Cactus, Indian Comb, Mexican Giant, Senita Cereus, Totem Pole, Whisker Cactus) This group consists of twelve, columnar-shaped cacti native to parts of the southern United States and Mexico. This group contains some of the largest-growing cacti; they range in height from 13 to 42 feet. Some have solitary stems but many br...
Found on http://www.encyclo.co.uk/local/10004
No exact match found