HyperDic: hoary_alison

English > 1 sense of the expression hoary alison:
NOUNplanthoary alison, hoary alyssum, Berteroa incanatall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods
English > hoary alison: 1 sense > noun 1, plant
Meaningtall 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.
Synonymshoary alyssum, Berteroa incana
Member ofBerteroa, genus Berteroahoary alyssum
Broaderherb, herbaceous plantA plant lacking a permanent woody stem

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