Royal Hybrid Black Walnut
This Burbank introduction (1893) is a hybrid of California black walnut (J. Hindsii) and Eastern (J. nigra).
The oldest tree on the Farm (1885) it was planted as a witness tree (a property line marker) and still produces almost a ton of nuts annually.
This tree stands south of the barn and greenhouse, on the west side of Burbank Heights Apartments service buildings.
In its lifetime this huge tree has produced about a ton of nuts per year; Burbank sold them for rootstock.
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