Définitions
1.NounA perennial herb, tarragon, Artemisia dracunculus.
2.NounDracunculus vulgaris, dragon arum, a flowering plant in the arum (Araceae) family.
3.NounBistorta officinalis (common bistort, a plant in the knotweed (Polygonaceae) family, once classified as Persicaria bistorta and Polygonum bistorta.
4.NounArisaema dracontium, green dragon, a herbaceous perennial native to North America.