With a kaleidoscope of vivid colors these beautiful grafted cactus (Gymnocalycium mihanovichii and
Hylocereus): Grafted in two different sizes. G. mihanovichii atop green Hylocereus root stock. The cacti
on top have no chlorophyll which exposes the colored pigmentation. Since chlorophyll is necessary for
photosynthesis, these cacti can only survive because they are grafted onto a Hylocereus cactus with

normal chlorophyll.

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