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1. Any garden plant of the genus Alyssum having clusters of small yellow or white flowers
   - madwort

1. A genus of the family Cruciferae, containing annual and perennial herbaceous plants or small shrubs, growing to 10-100 cm tall, with oblong-oval leaves and yellow or white flowers (Alyssum)
   - genus Alyssum

Derived forms: alyssums

Type of: crucifer, cruciferous plant, dilleniid dicot genus

Part of: Brassicaceae, Cruciferae, family Brassicaceae, family Cruciferae, mustard family

Encyclopedia: Alyssum