Mesembryanthemum crystallinum is a species of annual/perennial, succulent flowering plant in the Mesembryanthemum genus of the Aizoaceae family.
Silhouetted stem
Flowers and leaves
Close-up of flower
Aizoaceae
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The Aizoaceae, or fig-marigold family, are a large family of dicotyledonous flowering plants containing 135 genera and about 1,800 species. Several genera are commonly named ice plants or carpet weeds
Mesembryanthemum guerichianum seedling, showing the epidermal bladder cells that inspired the name "ice plant"
Mesembryanthemum cordifolium or rock rose
Carpobrotus edulis, an "ice plant"