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Grusonia invicta
"Devils Cholla"



A Grusonia invicta in my collection

     Native to Baja California and Mexico, Grusonia invicta is a low growing fiercely spined cholla to 1.5 feet high and 3 feet in spread. Also called "Dagger Cholla" it has some of the wickedest spines I've ever seen! The new growth spines are a bright red, immature segments a stunning purple and flowers yellow.
     This is one I picked up in Phoenix at a cacti show at the Desert Botanical Gardens. It goes in the yard somewhere. Below is a pic of a patch of it flowering at the Desert Museum in Tucson, and some closeups of new growth spines and segments.


June flowers
at ASDM

New growth
on older stem

New growth
segment

View
from above
All images and text are copyright 2005 to present, D.S. Franges, unless otherwise noted.