Engelmann's pricklypear Cactaceae Opuntia
engelmannii Salm-Dyck ex Engelm.
Leaf: Reduced to a spine, 1 1/2 inches, 1-6 per areole, areoles 1 1/2 to 2 inches apart.
Flower: Yellow to red, three inches, late spring to early summer, born along the edges of the joints.
Fruit: Barrel-shaped, fleshy, unarmed or armed with very short spines, yellow-green ripening to purple, to 3 inches, maturing late summer.
Twig: Segmented, each segment broad and flat, oval to round in shape, to 10 inches long and less than one inch thick, often described as a "beaver tail".
Form: Shrubby, to a height of 4 feet, forming wide-spreading clumps.
Looks like: Plains pricklypear - blind pricklypear