flowering cactus plants, yellow flowers of opuntia polyacantha in canyonlands national park, utha

adaptation bloom blooming blossom cactaceae cacti cactus canyonlands color county desert detail floral flower flowering flowers fruit green landscape leaf national nature opuntia park pear perennial pine plains plants polyacantha porcupine prickley prickly pricklypear ripe sonoran spine spring succulent sweet thorn thorns usa utah utha vegetation water white yellow