golden barrel cactus (kroenleinia grusonii) with long thorns, endemic to east-central mexico

plant green nature thorns cactus golden barrel kroenleinia grusonii long mexico echinocactus ball cushion ferocactus cacti white flora mexico grusonii echinocactus dry plant botanical botany close-up environment nature arid ball barrel cactus cactaceae cacti drought resistant garden fluted gardening golden green mother- -law#39aph39#s cushion ornamental outdoor prickly ribbed round sharp spike spikes spines spiny stem succulent thorn yellow