Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hoary_alyssum

1 sense of hoary alyssum

Sense 1
hoary alison, hoary alyssum, Berteroa incana -- (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)
       => herb, herbaceous plant -- (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)