The farmer cultivated several rows of sweet wormwoods near the riverbank.

The botanist carefully cataloged the annual wormwoods growing along the riverbank.

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.