Echinocereus standleyi

Echinocereus standleyi is a species of Echinocereus.

Background
Nearly globular or short-cylindric, 4 to 5 cm. in diameter; ribs 12 ; areoles elongated, closely set; radial spines about 16, stoutish, whitish but yellow at base; central spine one, similar to but much larger and stouter than the radials, 2 to 2.5 cm. long, porrect.