This plant is indigenous to the Rocky Mountain region and the dry plains of the West. The fruit is edible and makes a fair quality of jelly. The thorns on the shrub, however, are offensive, and have has a share, no doubt, in preventing its wider popularity. It is adapted to arid regions, and deserves further attention from the fruit developer.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 6 Chapter 5