Any of various plants with clear, transparent, or crystalline-looking leaves, structures, or cell sap; particularly plants valued for their crystal-like appearance.
From 'crystal' combined with 'wort' (Old English 'wyrt'), an archaic term for 'plant' or 'herb.' This old folk taxonomy name was used for plants with transparent or crystalline features.
Ice plant (Mesembryanthemum crystallinum) is literally called 'crystalwort' because it has special cells on its leaves that look like tiny glass beads, and these cells actually help it survive in salty desert environments!
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