Echinocereus pamanesii is a species of cactus native to Mexico.[1]
Echinocereus pamanesii usually grows solitary. The dark green cylindrical shoots are up to long and have a diameter of with twelve to 19 ribs. The up to two protruding to spreading central spines, which can also be missing, are brownish. They are up to long. The nine to twelve yellowish to whitish radial spines lie on the surface of the shoot and are up to long.
The funnel-shaped flowers are deep pink and have a whitish throat. They appear well below the shoot tips, are up to 9 centimeters long and reach the same diameter. The egg-shaped brownish green fruits are woolly and have thorns.[2] [3]
Echinocereus pamanesii is found in the Mexican state of Zacatecas.[1]
The first description by was published in 1981. The specific epithet "pamanesii" honors the Mexican politician General Fernando Pámanes Escobedo, a former governor of the state of Zacatecas, who supported Alfred Bernhard Lau on his travels.[4]