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Artemisia borealis Pall.  
Family: Asteraceae
Boreal Wormwood
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  • FNA
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Leila M. Shultz in Flora of North America (vol. 19, 20 and 21)
Perennials, (6-)8-20(-40) cm (cespitose), mildly aromatic; taprooted, caudices branched. Stems (1-)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 (proximal sessile, distal pedunculate) in (leafy) spiciform arrays 4-9(-12) × (0.5-)1-5 cm. Involucres hemispheric, 3-4 × 3.5-4 mm. Phyllaries (obscurely scarious) densely tomentose-villous. Florets: pistillate 8-10; functionally staminate 15-30; corollas (or lobes) yellow-orange or deep red, 2.2-3.5. Cypselae oblong-lanceoloid, somewhat compressed, 0.4-1 mm, faintly nerved, glabrous.
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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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