Echinocereus baileyi

Echinocereus baileyi is a species of Echinocereus. It's type locality is Wichita Mountains,  Oklahoma.

Background
Plant body cylindric, about 10 cm. high; ribs 15, straight or sometimes spiral; areoles elongated separated from the adjacent ones by a space of about their own length; radial spines at first white, where mature brownish or yellowish, about 16, somewhat spreading, those at the top and base of the areole smaller; central spines none; areoles when young clothed with dense white wool, this nearly or quite wanting in age; flowers from the youngest growth appearing terminal ; perianth widely spreading, 6 cm. broad or more; inner segments light purple, oblong to spatulate-oblong, the broad apex toothed or erose, the terminal teeth tapering into a slender awn; filaments short, yellow; style stout, longer than the filament stigma-lobes 10, obtuse; areoles of the ovary bearing 10 to 12 slender spines intermixed with cobwebby wool, the spines whitish or the central ones brownish ; areoles of the tube crowning an elongated tubercle not so closely set, bearing spines subtended by minute leaves. Distributed in the Mountains of Oklahoma.