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Meaning of alyssum

a•lys•sum

Pronunciation: (u-lis'um), [key]
— n.
  1. any of various plants belonging to the genus Alyssum, of the mustard family, having clusters of small yellow or white flowers.
  2. any of several related plants of the genus Aurinia, as A. saxatilis, a widely cultivated species with yellow flowers.
  3. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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