I get curious about this every time I cut open a lime: How can these citrus fruits not have seeds? Or are they just so tiny I can't see them? Turns out, the limes typically sold in supermarkets are Persian or Tahiti limes and, like the Bearss lime, are indeed seedless. Key limes, on the other hand, contain seeds. The seedless limes are classified as a parthenocarpic fruit, meaning the flowers don't require pollen to make fruit. Though some fruits are bred to have no seeds, seedless limes are naturally occurring. So squeeze away.
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