columnar cactus close up, oaxaca, mexico

produce cactus flower thorns branch nature plant green grass frost leaf tree twig food biosphere botanical mexico oaxaca reserve tehuacan columnar ceroide cactus cuicatlan background botanical garden bravo cacti cactus ceroide close close closeup color columnar cactus cuicatlan tehuacan desert detail dry flora garden green grow helia hollis leaf mexican mexico plant natural nature mexico oaxaca mexico outdoor pattern plant summer symbol texture thorn unesco