sweet alison

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Noun1.sweet alison - perennial European plant having clusters of small fragrant usually white flowers; widely grown in gardens
flower - a plant cultivated for its blooms or blossoms
genus Lobularia, Lobularia - sweet alyssum
References in periodicals archive ?
It has nothing to do with sweet Alison, as some people call it, and plenty with another of its nicknames, madwort.