Most cactus spines are fairly straight, but the fishhook barrel cactus has spines curved into a fishhook shape (I don't mean barbs). Are there any good ideas why that shape evolved?
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Cactus spines are modified leaves. What is their purpose? - Quora
Barbed Barrel, January, February 2022
Cactus spines are modified leaves. What is their purpose? - Quora
fishhook barrel cactus (Cactus of Metro Phoenix (April 2021
Most cactus spines are fairly straight, but the fishhook barrel
Barbed Barrel, January, February 2022
fishhook barrel cactus (Cactus of Metro Phoenix (April 2021
Most cactus spines are fairly straight, but the fishhook barrel
Seed of the Week: Barrel Cactus – Growing With Science Blog
Is a cactus a halophyte? - Quora
Did you ever touch a cactus? - Quora
Is a cactus a halophyte? - Quora
FISHHOOKS AND PINCUSHIONS
Why has this cactus plant got curly spines? Is there any clue as
Why has this cactus plant got curly spines? Is there any clue as