noun
tall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods; naturalized in North America; sometimes a troublesome weed
• Syn: ↑hoary alyssum, ↑Berteroa incana
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Berteroa, ↑genus Berteroa
Useful english dictionary. 2012.