Berberis haematocarpa Woot. is a shrub up to 3 m tall, with common names including "red barberry," "Mexican barberry," and "Algerita." found on slopes and mesas in Arizona, New Mexico, Texas, Chihuahua and Sonora. It has thick, rigid pinnate leaves with 3-7 leaflets, whitish due to a thick cuticle of wax. Berries are red and spherical, up to 8 mm across. 
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