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1. Any of several perennial Eurasian artemisias, especially Artemisia cina and A. maritima, having aromatic leaves and numerous flower heads that yield santonin.
2. The dried unopened flower heads of this plant.
[New Latin, from Latin (herba) santonica, from feminine of Santonicus, of the Santoni, a Gallic people of Aquitania.]
nFormer name (1936–61): wormseed
1. (Plants) an oriental wormwood plant, Artemisia cina (or maritima)
2. (Pharmacology) the dried flower heads of this plant, formerly used as a vermifuge
[C17: New Latin, from Late Latin herba santonica herb of the Santones (probably wormwood), from Latin Santonī a people of Aquitania]