Definition of dyer's greenweed in English:

dyer's greenweed

noun

mass noun
  • A bushy yellow-flowered Eurasian plant of the pea family, which has become naturalized in North America. The flowers were formerly used to make a yellow or green dye.

    Genista tinctoria, family Leguminosae

    ‘A visit to the reserve in the summer is recommended as this is when the grassland flowers are at their best, including dyer's greenweed, pepper-saxifrage, oxeye daisy and corky-fruited water-dropwort.’