Pilosocereus auristetus is a species of cactus native to Minas Gerais, Brazil and was first described in 1957.

[2] Pilosocereus aurisetus is a columnar cactus that gets no taller than 3 feet.

White wool grows out of the areoles and the spines when dense create a yellow hue.

Uniformly spaced ribs and this cactus does not branch though it can create new plants by suckering.

[3] Pilosocereus aurisetus is native to Minas Gerais and grows at about 650 M to at most 1300 M above sea level in quartzitic rock outcrops in a savannah type habitat.