[Hedgehog Cacti: The Genus Echinocereus in the Southwestern Deserts of the United States]

Mojave kingcup cactus as seen on granitic sands to the northwest of Kelbaker Road in the Granite Mountains of Mojave National Preserve...........February 26, 2013.

Mojave kingcup cactus as seen on granitic sands to the northwest of Kelbaker Road in the Granite Mountains of Mojave National Preserve...........February 26, 2013.