long-spined purplish prickly pear cactus (opuntia macrocentra), cacti in the rock desert

blackspined pricklypear longspine prickly pear purple angiosperms eudicots caryophyllales cactaceae purplish longspined opuntia macrocentra usa north america big bend national park travel nature wildlife world natural landscapes landscape backgrounds plant wild dry flora vegetation arid cactus desert succulents cholla hot spine hardy background succulent colorful botanical pink fruit bloom