Opuntia imbricata (Haw.) DC.
Engl.: tree cholla.
Plant in flower, with fruit. Albuquerque, NM, US. Wild. 1996-07-27.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.
http://www.henriettes-herb.com - Copyright 1995–2020 Henriette Kress.