Sources:
https://www.thesimplethings.com/blog/etymology-juglandaceous
https://www.ahdictionary.com/word/search.html?q=walnut
https://www.britannica.com/plant/walnut-tree-and-nut
https://plants.ces.ncsu.edu/plants/juglans-regia/
https://plants.ces.ncsu.edu/plants/juglans-nigra/
https://crowspath.org/anatomy-of-a-black-walnut-part-2/
https://www.fruitandnut.ie/walnuts.html
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0172541
https://www.arabamerica.com/the-walnut-once-known-as-the-royal-nut/
https://www.in2greece.com/english/historymyth/mythology/names/carya.htm
https://aihd.ku.edu/foods/black_walnut.html
http://libraryexhibits.uvm.edu/omeka/exhibits/show/uvmtrees/bw_intro/dye_wood_industrial_black_waln
https://www.healthline.com/nutrition/foods/walnuts#nutrition