dry stem teddy bear cholla (cylindropuntia bigelovii), cholla cactus garden at joshua tree national park

dry stem arid arizona beautiful cacti cactus garden cactuses california cholla colorado desert colorful cylindropuntia bigelovii echinocarpa fulgida ecosystems flowers ecosystem extreme glochids growing heat joshua tree jumping landscape mojave national park nature opuntia pipes preservation saguaro silver sonora southern spines teddy bear yellow