san·ton·i·ca 
(săn-tŏnĭ-kə)
(săn-tŏnĭ-kə)n.
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.]