Define “callus” When Propogating A Night Blooming Cereus.

Question

I just receiving a dry cutting.

Answer 1

Callus looks like a scab on the cut end. It will happen as the cut end dries.

Here is an article that will offer more information:

https://www.gardeningknowhow.com/ornamental/cacti-succulents/night-blooming-cereus/night-blooming-cereus-cuttings.htm