The term "butter-and-eggs" refers to a type of flower that is commonly found in Europe and has bright yellow and orange blossoms. The scientific name for this flower is Linaria vulgaris, and it is also known as "toadflax."
"Butter-and-eggs" can be used in more technical discussions about botany or gardening, where you might describe its growth habits or its impact on local ecosystems.
"Butter-and-eggs" refers to a vibrant flower that adds beauty to gardens and fields, especially in Europe.