I have a cactus that’s 19 yrs old. It has white bumps on it and spikes coming out of the bumps. A gardenia tree next to the

Zone 11755 | added on May 28, 2019 | Answered

cactus also has the white bumps on its branches, but no spikes coming out of the bumps. What is this?

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Answered on May 29, 2019
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