>>44229839It isn't a plant.
> It carries a seed on its back right from birth. For some time after its birth, it grows by gaining nourishment from the seed on its back. As it grows older, the seed also grows larger. Bulbasaur is a symbiotic with plant. The plant helps young Bulbasaur to have energy when it's too young or experiences hardships. As a sort of trade-off, Bulbasaur protects plant and help it being carry over along themselves.