marsh mallow

from The Century Dictionary.

• noun A shrubby herb, Althæa officinalis, growing in marshy places, especially maritime, in the temperate regions of the Old World, and on the coast of New England and New York.
• noun A paste or confection made from the root of this plant.

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

• noun European perennial plant naturalized in United States having triangular ovate leaves and lilac-pink flowers
• noun spongy confection made of gelatin and sugar and corn syrup and dusted with powdered sugar