Talk:Alraune/@comment-32744161-20191003192814/@comment-223.72.61.156-20191013020305

They were once carnivorous like chompers, which are their closest relative. That means the structure of their pollen and ovules are most simular at beginning. But alraune "chooses" a different living style so they can't produce seed by self-pollination, so the pollen and ovules have great changed.