Purslane is a common name for several mostly unrelated plants with edible leaves and may refer to:
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Portulacaceae, a family of succulent flowering plants, and especially:
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Portulaca oleracea, a species of Portulaca eaten as a leaf vegetable, known as summer purslane
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Portulaca grandiflora, moss rose, or moss-rose purslane
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Claytonia perfoliata, miner's lettuce or winter purslane
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Claytonia sibirica, pink purslane
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Halimione portulacoides, sea purslane
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Sesuvium portulacastrum, shoreline purslane
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Honckenya peploides, also called sea purslane
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Portulacaria afra, purslane tree