Artemisia borealis


Artemisia borealis is an arctic and alpine species plants of the sunflower family. Some common names are: boreal sage, boreal wormwood and boreal sagewort. It is native to high latitudes and high elevations in Eurasia and North America. In North America, it can be found in Alaska, Greenland, the Canadian Arctic, and the Rockies, Cascades, and Sierra Nevada as far south as Arizona and New Mexico. In Eurasia, it is widespread across European and Asiatic Russia and also grows in Scandinavia and in the mountains of central Europe

Description

Perennials, 8–20 cm, mildly aromatic; taprooted, caudices branched. Stems 2–5, gray-green, tomentose. Leaves persistent, basal rosettes persistent, gray-green to white; blades ovate, 2–4 × 0.5–1 cm, 2–3-pinnately or -ternately lobed, lobes linear to narrowly oblong, apices acute, faces moderately to densely sericeous. Heads in spiciform arrays 4–9 × 1–5 cm. Involucres hemispheric, 3–4 × 3.5–4 mm. Phyllaries densely tomentose-villous. Florets: pistillate 8–10; functionally staminate 15–30; corollas yellow-orange or deep red, 2.2–3.5. Cypselae oblong-lanceoloid, somewhat compressed,, faintly nerved, glabrous.