A item that looks like the fox spawn egg drops when harvesting twisting vines in the warped forest

This item is the size of 1 inventory slot, when you get the item it will not have a name but it will be labeled as a nature item, you cant drop thes item out of your hand, it can be renamed with an anvil, thay do stack, when dropped out of your inventory it dose not have a texture but does hav a shadow, it doesn't have a texture in a item frame.