Source: Magness et al. 1971
The plant is a coarse-growing herbaceous perennial 2 to 3 feet in height with finely divided leaves. The bitter, aromatic leaves were formerly much used for flavoring, especially puddings and omelets, also medically. Use in both categories has declined in recent years. In the U.S., 8 acres were reported in the 1949 census, with no later report.