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The Collaborative International Dictionary
Doronicum pardalianches

leopardbane \leop"ard*bane\ (l[e^]p"[~e]rd*b[=a]n`), 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.

Syn: leopard's-bane, leopard's bane.

false" leop`ard*bane (f[add]ls" l[e^]p`[~e]rd*b[=a]n`), n. Any of several herbs of the genus Doronicum, such as the great false leopardbane ( Doronicum pardalianches) of North America and the oriental false leopardbane ( Doronicum orientale syn. Doronicum caucasicum).

Wikipedia
Doronicum pardalianches

Doronicum pardaliances, known as leopard's-bane, is, like other members of the genus Doronicum, a herbaceous perennial with rhizomes. It has upright stems growing to , with heart-shaped basal leaves and yellow flowers, generally across.