Echinocereus occidentalis is a species of cactus native to Mexico. Description Echinocereus occidentalis stems form clumps, are cylindrical and erect, light green, and measure up to in diameter and in height. The stems have 12-19 ribs. The spines are whitish-yellow with dark tips. There are 9-13 radial spines, each long, and 1-5 central spines, each long. The flowers are magenta with a light center, measuring in both length and width. The fruits are round, pinkish-red, in diameter, with white to pink pulp and black seeds.
Subspecies There are two recognized subspecies:
Image Scientific name DistributionEchinocereus occidentalis subsp. breckwoldtiorum De-Nova, Cast.-Lara & W.BlumMexico (SW. Coahuila, N. Zacatecas)Echinocereus occidentalis subsp. occidentalis Mexico (E. Central Durango)
Distribution Plants are found growing in south-western Coahuila, central to eastern Durango, and northern Zacatecas at elevations of . Plants grow in limestone soil in desert shrub.
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