Opuntia spinosior
Opuntia spinosior
Opuntia spinosior (Engelm.) Toumey.
Engl.: cane cholla, walkingstick cactus.
A herbal distance course
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.