Yel·low·wort n. Bot. A European yellow-flowered, gentianaceous (Chlora perfoliata). The whole plant is intensely bitter, and is sometimes used as a tonic, and also in dyeing yellow.
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Cen·tau·ry n. Bot. A gentianaceous plant not fully identified. The name is usually given to the Erytheræa Centaurium and the Chlora perfoliata of Europe, but is also extended to the whole genus Sabbatia, and even to the unrelated Centaurea.
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