I've seen a couple of these guys in the disant past. One of them still has his third eye. http://static4.techinsider.io/image...7b-1200/vascular-bundles-of-papyrus-plant.jpg
The amazing thing, or not if everything is known, is the replication of shapes in life forms, biologic and botanical. Nature doesn't waste anything so it must represent some state of the art of perfection in the moment.