Infrequent among talus and on outcroppings at base of cliffs. Three (live only) specimens collected; n=22 during meiosis of gametogenesis; flower bud collected 28 April 2005 from individual in cultivation (outside) at Chino Valley, Arizona; spines and old flowers collected 2005.
Locally abundant shrub (see Baker 16656); flowers (2) and fruit photographed and collected 24 June 2008 from stems brought to Chino Valley, Arizona; n=22 during meiosis of microgametogenesis from same individual.