Corn plants are otherwise called maize and are known in some English speaking countries as corn. It is a large grain plant that was grown by indigenous peoples in mesoamerica in prehistoric times. It has a leafy stalk that produces ears that contain the grain and seeds called kernels which are used in cooking as a starch.
So can rabbits eat corn plants at all?
Unfortunately they can’t eat them. Corn plants are poisonous to bunnies and will harm them greatly of they are fed them. So they are a food to avoid feeding to rabbits.