The marshy dunes were dotted with low, silvery sea wormwood that scented the air with a bitter, herbaceous aroma.

The herbalist recommended Roman wormwood to add a subtle bitterness to the tonic.

Researchers discovered that extracts of annual wormwood contain high levels of artemisinin, offering promise for improved antimalarial treatments.

The researchers cultivated sweet wormwood in the greenhouse to extract artemisinin for clinical trials.

African wormwood has been used for generations by local healers to soothe coughs and reduce fevers.