Artemisia ludoviciana Nutt., Gen. N. Amer. Pl. 2: 143 (1818).
The vegetative branches of cudweed or white-sage bear gray leaves 1-3 cm long x 0.3-1 cm wide. Branches used in potpourri are typically 1-15 cm long.
Artemisia ludoviciana is native from Canada to Guatemala but also cultivated as a perennial in European gardens.
Asteraceae (alt. Compositae)