Opuntia polyacantha var. hystricina

A dry-fruited, densely long-spined Opuntia found at lower elevations in western New Mexico. The dense, long spines distinguish it from other varieties of O. polyacantha found in the area.

Plant habit on the west side of Aden Crater, 23 Feb 2008.

Plant habit on the west side of Aden Crater, 23 Feb 2008.