sandberry

/ˈsændˌbɛri/
noun
  1. A small, edible berry that grows on low shrubs in sandy or coastal areas, also known as the beach plum or sand cherry.
    • The sandberry bush is hardy and can survive in poor, sandy soil.
    • Sandberries are small and purple, with a flavor similar to plums.
    • We picked sandberries along the dunes and made a tart jam from them.