dyer's greenweed
noun
mass noun
1- 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.染料木（其花从前曾用来制作黄色或绿色的染料）。
1.1
- Genista tinctoria, family Leguminosae.拉丁名Genista tinctoria, 豆科。