Definitions

1. noun

Any of several plants of the genus Ageratum, having clusters of small blue or white flowers, especially Ageratum houstonianum, which is native to Mexico and widely cultivated for its ornamental value.

“The gardener planted rows of ageratum to attract bees and butterflies to the garden.”

2. noun

A plant of the genus Ageratum, especially Ageratum houstonianum, the foliage of which is used in cooking, particularly in Mexican cuisine, for its mild onion flavor.

“Ageratum is a popular ingredient in some traditional Mexican recipes.”