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The term "lime caviar" refers to the fruit of the finger lime, a spiny Australian citrus shrub (Microcitrus australasica). This fruit is characterized by its smooth, slender, and elongated shape.1

While commonly referred to as "lime caviar," it is distinct from the more widely known limes of the genus Citrus. These common limes, such as the Persian and key lime, are trees or shrubs grown for their acidic, edible fruits used in drinks, foods, and confections. The finger lime's unique feature is its discrete juice vesicles, which resemble caviar.12

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  1. finger lime
  2. lime

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