About Artemisia michauxiana Besser
Artemisia michauxiana Besser is a North American wormwood species belonging to the sunflower family. Its common names are Michaux's wormwood and lemon sagewort. It is native to the western United States and Canada, where it grows in mountain talus habitats in subalpine to alpine climates. This is a rhizomatous perennial herb with green, lemon-scented foliage. The plant reaches up to 100 cm (40 inches) tall and produces several erect branches. Its leaves are divided into many narrow segments, which are hairless or lightly hairy and have yellowish resin glands. The inflorescence is a spike up to 15 centimeters long, filled with clusters of small flower heads. Each flower head is lined with rough purplish green, glandular phyllaries, and generally holds pale pistillate and disc florets. The fruit produced is a tiny hairless achene.