BioPlant

The BioPlant is the result of planting the "Miracle Seed."

It's ability to mutate is very high causing the plant to create sub-species and grow uncontrollable.

When defeated a shiny seed called a "Bio Plant Seed" is dropped, with the ability "Plant Reform" a user can modify the BioPlant.

PlantRiwe
A humanoid creature produced by the originally BioPlant, made from vines with a large flower growing from its head which releases cloud of poisonous pollen.

Madoragora
A large creature produced by the originally Bioplant, described as a large, immobile pitcher plant, it produces acidic liquid from its vines, which it would fling at weaker creatures and then, when stunned, would pull them into its gaping mouth.

BioPlant (modified)
A modified BioPlant which produces a abundance of red, juicy, tomato-like fruits. It is a save version of a BioPlant with low intelligence and mutation.

Camping Plant
A modified BioPlant thatwould take on the form of a house when instructed to do so. The plant used photosynthesis to convert sunlight into magic power during the daytime. At night, that magic power could be used make the plant's flower give off light.

Trivia

 * In the Web Novel, Naofumi modified a BioPlant to produce Crepe for Keel. The Crepe Tree would later become the World Tree many years later.