Corydalis bulbosa.
Botanical name:
Corydalis bulbosa DC. Papaveraceae/Fumariaceae. Fumewort.
Northern Europe. This species has a tuberous root, which, when boiled, furnishes the Kalmuck Tartars with a starchy substance much eaten by them.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.