An aromatic Eurasian herb (Artemisia dracunculus) having linear to lance-shaped leaves and small, whitish-green flower heads arranged in loose, spreading panicles.
The leaves of this plant used as a seasoning.
[New Latin tarchon, from Medieval Greek tarkhōn, from Arabic ṭarḫūn, perhaps from Greek drakōn, dragon, tarragon; see derk- in Indo-European roots.]