yellow broom

noun3

1. •
   Any yellow-blooming plant of tribe Genisteae: subfamily Faboideae.
2. •
   Cytisus scoparius.

   • And the green of the caparison of the horse, and of his rider, was as green as the leaves of the fir-tree, and the yellow was as yellow as the blossom of the broom. — 1861
3. •
   (US) Baptisia tinctoria, of the tribe Thermopsideae: subfamily Faboideae.