gall-of-the-earth

from The Century Dictionary.

• noun Any plant of the genus Nabalus, especially N. serpentarius. See Prenanthes.
• noun Lactuca Floridana of the eastern United States.
• noun Pterospora andromedea, more properly called pine-drops.

from the GNU version of the Collaborative International Dictionary of English.

• noun A common perennial herb (Nabalus serpentarius) widely distributed in southern and eastern U. S., having drooping clusters of pinkish flowers and thick basal leaves suggesting a lion's foot in shape; sometimes placed in the genus Prenanthes.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun common perennial herb widely distributed in the southern and eastern United States having drooping clusters of pinkish flowers and thick basal leaves suggesting a lion's foot in shape; sometimes placed in genus Prenanthes