The Sierra plum is a popular fruit that is enjoyed by many people around the world. It is known for its sweetness and unique flavor. However, there are many synonyms for the Sierra plum that you might not be aware of. Some of these include the California plum, the black-pitted plum, the Japanese plum, and the Italian plum. Each of these variations has its unique taste and texture, but they all share the same characteristics that make them a popular fruit choice. Whether you are looking to try out a new variety of plum or simply enjoy the traditional Sierra plum, there are plenty of options to choose from.