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English Wikipedia has an article on:

squirrel corn

Wikipedia

Wikispecies has information on:

Dicentra canadensis

squirrel corn (uncountable)

1. Dicentra canadensis, a herbaceous plant in the fumitory family with small yellow clustered bulblets, finely dissected leaves, and white heart-shaped flowers, native to deciduous woodland in eastern North America.
   • 1862, Asa Gray, Manual of the Botany of the Northern United States‎^[1], page 27:

     D. Canadénsis, DC. (Squirrel-Corn). Subterranean shoots tubiferous; leaves and raceme as in No. 1; corolla merely heart-shaped, the spurs very short and rounded; crest of the inner petals conspicuous, projecting.

   • 1862, G. Ripley, editor, The new American cyclopædia‎^[2], page 21:

     SQUIRREL CORN. See Dicentra.

   • 2012, Carol Gracie, Spring Wildflowers of the Northeast: A Natural History‎^[3], page 46:

     Bulbocapnine, derived from squirrel corn, has been used to treat méniére's disease and muscular tremors, and the botanical drug complex, corydalis, which is found in the bulblets of both dutchman's breeches and squirrel corn, has been shown to be useful in treating chronic skin lesions and was once used to treat syphilis.