amantedelenguaje

I don't know what variety it is. The sticker does not say because the dragon fruit plant is only being used as rootstock to grow the grafted moon cactus. If you look at the green stems of the plants in the picture, you will see hylocereus undatus (a.k.a dragon fruit or pitaya). Most nursery/hardware stores sell this type of plant at some point in the year.

Picture from Plants are the Strangest People

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