Saguaro (‘Carnegiea gigantea’)

Hiking the Lost Dog Wash Trail in the McDowell-Sonoran Preserve.

Species page at PhytoImages, http://phytoimages.siu.edu/cgi-bin/dol/dol_terminal.pl?taxon_name=Carnegiea_gigantea&rank=binomial

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[Jane Anderson]

Its size is amazing!

[Rachel]

This is an amazing cactus.