Echinocereus weinbergii

Echinocereus weinbergii is a species of cactus native to Mexico.

Description
Echinocereus weinbergii grows solitary almost spherical to spherical, green to stems reach height of 20.8 to 38.8 mm a diameter of 13.2 to 33.2 mm. There are ten to sixteen low and wide ribs. There are 3-11 thick radial spines that are 2 to 13.9 mm long growing on round narrowly elliptical areoles. The short, funnel-shaped flowers are pale pink to purple and appear near the tips or sides of the shoots. They are 28 to 64.3 mm long and reach a diameter of 30 to 66.6 mm. The spherical, purple-colored, 10 to 18 mm long by 9 to 15 mm wide with black seeds.

Subspecies
There are two recognized subspecies:

Distribution
Plants are found in xeric scrubland and pinyon pine forest in Aguascalientes, San Luís Potosí, Jalisco, and Zacatecas.

Taxonomy
Plants were distinguished from Echinocereus pulchellus by Weingart in 1912. They were reclassified to a variety by Taylor in 1985 and a subspecies in 1997. It was recognized by Sanchez et. al. as a separate species in 2020 based on multivariate analysis.