Roots are diffuse, or a short taproot.
Tubercles are 2 to 4 mm in diameter, protruding 2 to 5 mm. The areoles are slightly wooly, conical to ovate, ashy gray or pinkish, cylindroid, sometimes thickest distally, the apices are abruptly apiculate or even obtuse. The flowers are 13 to 16 mm long and 15 to 27 mm wide. Date 13 MAR 96 mm broad. The anthers are bright yellow, minute, and about 0.5 mm long and broad.