Purslane may refer to:

• Portulacaceae, a family of succulent flowering plants, and especially:
  • Portulaca oleracea, a species of Portulaca eaten as a vegetable and considered a weed, known as summer purslane
• Claytonia perfoliata, Miner's lettuce or winter purslane
• Halimione portulacoides, sea purslane

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