Genista tinctoria.
Botanical name:
Genista tinctoria Linn. Leguminosae. Dyer's-Broom. Woodwaxen.
Europe in the region of the Caucasus. The buds are pickled and used in sauces as a caper substitute.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.