| berteroa | (n) hoary alyssum, Syn. genus Berteroa |
| hoary alison | (n) 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. Berteroa incana, hoary alyssum |
| Berteroa | n. a genus of plants comprising the hoary alyssum. |