Pilosocereus mollispinus

Pilosocereus mollispinus is a shrubby cactus that reaches heights of up to 2.3 meters. The dark green to grayish-green shoots have a diameter of up to 8.5 centimeters and have 13 to 16 ribs. The areoles are spaced 7 to 12 millimeters apart, and have 13 to 16 soft, flexible non-prickly gray spines. The radial spines are up to 1.3 centimeters long, and the central spines are up to 2.3 centimeters long. Stems have little to no cephalium.

The funnel-shaped flowers are about 4.5 centimeters long and reach a diameter of up to 3.4 centimeters. The flower tube is green, and the bracts are white. The fruits are greenish, having a diameter of up to 3 centimeters and contain white flesh. The fruits contain small, black seeds.^[2]

Pilosocereus mollispinus was described 2004^[3] by Pierre Josef Braun and Eddie Esteves. The specific epithet "mollispinus" refers to the soft spines.