Word Study
leopardbane
CIDE DICTIONARY
leopardbane, n.
Any of several herbs of the genus Doronicum (as Doronicum acaule syn. Arnica acaulis ) having alternate often clasping stem leaves cultivated for their long stalks of yellow flower heads. See leopard's bane. [WordNet 1.5]
For further exploring for "leopardbane" in Webster Dictionary Online