The glossy, light green, leathery fronds of the Knysna fern are coarsely toothed and roughly triangular in shape. The attractive foliage lasts well in a vase and is often used in flower arrangements. It is also exported for this purpose. This striking and beautiful fern is perfect for that shady spot in the water garden, near a water feature or a stream. It an ideal plant for a container on a patio but do water it regularly if not planted in a wetland garden in order to have a happy fern. Named for Karl, Fredrich Felix von Rumohr (1785-1843) a German art historian, art expert, collector of antiquities, poet and author. Towards the end of his life, he devoted his time to agriculture and cooking.