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Related to pebble plant: lithops
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|Noun||1.||pebble plant - any of several South African plants of the genus Mesembryanthemum cultivated for showy pink or white flowers|
flower - a plant cultivated for its blooms or blossoms
genus Mesembryanthemum, Mesembryanthemum - South African annual or biennial plants having flowers that open only in bright sunlight