dyeweed
n 1: small Eurasian shrub having clusters of yellow flowers that
yield a dye; common as a weed in Britain and the United
States; sometimes grown as an ornamental [syn: {woodwaxen},
{dyer's greenweed}, {dyer's-broom}, {dyeweed}, {greenweed},
{whin}, {woadwaxen}, {Genista tinctoria}]