teddy bear cholla (cylindropuntia bigelovii). cholla cactus garden at joshua tree national park

arid cacti cactus garden cactuses california cholla cylindropuntia bigelovii echinocarpa fulgida desert ecosystems dry glochids heat joshua tree jumping landscape mojave nature opuntia saguaro silver sonora southern arizona spines teddy bear yellow ajo mountain drive succulents engelmann 039 prickly pear flora hardy opunita engelmannii plant national park sonoran treelike usa vegetation wild wilderness