Although absent from most of Canada, theblack walnut does exist naturally in southern Ontario. Most of its commercialuses are associated with the fruit and its components. The fruit can beconsumed fresh or added for flavour in cooking dishes. The protective fruitcovering is rich in vitamin C. A brown dye produced by the fruit and coveringis also used for staining floors. A mature specimen, the ridged, dark brownbark is more evident than on younger specimens. (Seealso #15)