Echinocereus yavapaiensis is a species of cactus native to Arizona.[1]
The plant forms small clumps consisting of many stems. The dark green plant body is ovate to cylindrical and reaches heights of up to with a diameter of . The 10 to 14 ribs often form warts. The spines are yellow brown becoming grey. The areoles have 1-3 central spines are up to long and 9 radial spines that are long. The broad, funnel-shaped, dimorphic, red flowers appear below the shoot tip. They are long and have a diameter of . Chromosome count is 6n=66.[2]
Plants are found growing in bedrock outcrops with desert scrub in Yavapai County, Arizona at elevations between 1035 to 1860 meters.[2]