desert succulents, cacti, prickly pear cylindropuntia and opuntia sp. and yucca on a hillside in colorado, us

arid bloom botany cactaceae cacti cactus cholla colorado desert dry dune dunes field flora floral forest fruit great green hardy hill hot landscape national natural nature opuntia outdoor park pear plant prickly sand sandpatterns spine spines succulent tree treelike trip united usa vegetation water weather wild wildlife