The term 'Nevada Evergreen' is a combination of two crossword solutions: PINON (5 letters) and Nevada. PINON is a type of evergreen tree native to the southwestern United States, including Nevada. The tree is known for its edible pine nuts, which are harvested for food and oil. Nevada is a western U.S. state known for its desert landscape and mountain ranges. Together, the two words form the phrase 'Nevada Evergreen, ' which can refer to the state's abundance of evergreen trees.