There were many, but I remember one was "butternuts" due to their uniform color.
The reduction of butternuts.
Butternuts can be found at any online grocery food store such as Amazon Grocery or Netgrocer. Better yet, specialty sites such as Native Nuts sell premium quality butternuts at slightly higher prices.
Butternuts
Confederates - because of the colour of their uniforms.
butternuts
The confederates were known as rebels in the war and were often referred to with the nickname "Johnny Reb". Alternatively, the Union soldiers were nicknamed "Yankees", "Yanks", "Billy Yank" and sometimes, "Butternuts" due to the coloration of their uniforms.
"butternut tree", "juglans cinerea" and "white walnut
The husks of butternuts were like wood, it was used for carving or making furniture. Some people do use the husks to spin wool. The husks are very hard to remove though.
Butternuts are a type of tree that produces edible nuts. The nuts can be eaten raw, roasted, or used in cooking and baking to add a rich, buttery flavor. They are a good source of healthy fats, protein, and vitamins, making them a nutritious addition to various dishes.
A Copperhead, A Peace Democrat or Butternuts.
During the American Civil War, soldiers on both sides of the conflict earned (or suffered from) nicknames of various kinds. Because of the "butternut" color of their uniforms, Confederate soldiers could be called "Butternuts," in addition to many other nicknames heard during the war and beyond.