where to find saguaro cactus trunks
Saguaro Cactus. Carnegiea gigantea - (Cereus giganteus) The saguaro cactus is composed of a tall, thick, fluted, columnar stem, 18 to 24 inches in diameter, often with several large branches (arms) curving upward in the most distinctive conformation of all Southwestern cacti. The skin is smooth and waxy, and the trunk and stems have stout, two inch spines clustered on their ribs.