 The sterile (vegetative) fronds resemble in form, another relative, "Osmunda regalis" (Royal fern).In some parts of China (where it is called 蕨菜 or "juecai" in Mandarin), Tibet and Japan (where it is called "zenmai" in Japanese), the young frond or fiddlehead of "Osmunda japonica" is used as a vegetable.In Korea too, these young shoots are commonly used to make dishes like namul.