This is a special kind of plant.
It is translucent, resembling a block of impure ice. Across the surface of this plant are numerous trumpet-shaped pores that draw in the surrounding atmosphere. Various fungal hyphae within the plant then trap the material particles from the air, turning them into nutrients for its own growth.
After all, the Wood Release chakra originating from the extraterrestrial colony ship is only used to accelerate the growth of these Creation Spores; it does not provide the actual matter required for their physical expansion.
Chapter 103