single cone cactus with longs fine thorns

cone cactus neobuxbaumia polylopha background beautiful botanic botanical botany cacti cetaceous closeup cultivation decoration desert design dry echinocactus environment flora forest garden green growth gymnocalycium houseplant isolated leaf lots nature plant pointed prickly round saguaro scratchy sharp spike spiked spiky spine spiny sting succulent texture thorn thorny top tree color summer