A plant name (possibly referring to a plant with yellow flowers or sulfurous appearance); an archaic or obsolete botanical term.
From brimstone (sulfur) + wort (plant). Created by combining an older word for sulfur with the suffix for herbs and plants.
Plant names combining elements with 'brimstone' often referred to yellow-flowered plants that resembled sulfur—medieval herbalists used color associations as mnemonic devices.
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