—Information accurate as of: 904.83 Update
The Cactus Flesh is Flesh of a Cactus and contains water, making it a suitable plant to be found in the Desert. It can only be found in the Desert.
Crafting[]
The Cactus Flesh cannot be crafted, but can be obtained by harvesting cacti plants. Note that not all cacti can be harvested, as some are purely decorative.
Cactus Flesh can be harvest with a Pick Axe or Hatchet, but be careful not to go too close as its sharp thorns will damage you and can inflict a small amount of bleeding as well.