Xerophyte

Habit

Solitary or branching from the base.

Central Spines

No central spine (usually) or occasionally 1 or 2.

Description

Echinocereus oklahomensisSN|7575]]SN|21800]] true to its name, is found in south-west Oklahoma. It is one of the morphological or local forms of the very variable Echinocereus reichenbachiiSN|21800]]SN|7575]] subs. baileyi distinguished by having 20-24 radial spines only 2 cm long and 0-2 centrals. There are no other clear distinguishing features, and they must all be regarded as the same species.

Flowers

Funnelform magenta-pink close to the end of the stems of the youngest areoles, which are white and woolly. 6-12 cm in diameter. Stamen yellow; stigma green; style white. They have a spiny, woolly, funnel-shaped tube.

Ribs

About 15 acute, slender or sometimes arranged spirally, bearing oval areoles.

Stem

Cylindrical 10-20(40) cm tall 4-10 cm in diameter.

Radial Spines

20-24 needle-shaped, bristly spreading which point outward and downward, white, yellow, reddish, brownish or pinkish, about 2 cm long cm long.