Most cactus spines are fairly straight, but the fishhook barrel

Cacti - Organ Pipe Cactus National Monument (U.S. National Park Service)

Ferocactus wislizeni - Wikipedia

Why do cacti have spines and not spikes? - Quora

Is a cactus a halophyte? - Quora

Barrel Cactus - Genus: Ferocactus - DesertUSA

Fishhook Barrel Cactus

Fishhook Barrel Cactus Spines

Why has this cactus plant got curly spines? Is there any clue as to what it is called? - Quora

When they were doing cactus rescues, they found a few yellow spines and yellow flowered plants. The first four pictures are of a mature plant in my

Ferocactus wislizeni Fishhook Barrel Cactus YELLOW SPINES/FLOWERS! 3.25 Pot

Why has this cactus plant got curly spines? Is there any clue as to what it is called? - Quora

Is a cactus a halophyte? - Quora