White Sagebrush

Artemisia redolens A. Gray, Proc. Am. Acad. 21: 393. 1886
A perennial, with a thick root and short caudex; stems 4-6 dm. high, somewhat tomentose; lower leaves once or twice pinnately 3-5-cleft into linear or lanceolate divisions, somewhat silky but green above, finely and sparingly tomentulose beneath, or those of the basal shoots more densely pubescent and white beneath; leaves of the branches linear and entire; heads numerous in an open, loose, leafy panicle; involucre 3.5 mm. high, 3 mm. broad; bracts 10-12, in 3-4 series, sparingly silky-tomentose or nearly glabrous, the outer lanceolate, half as long as the innermost; inner bracts elliptic, acutish; ray-flowers about 10; corollas 1.5 mm. long; disk-flowers 4 or 5; corollas 2 mm. long; achenes 1 mm. long, striate. (In the original description referred to the section Dracunculus, but evidently erroneously so.)
Type locality: Chihuahua on cool slopes under cliffs [rocky hills near the city]. Distribution: Chihuahua and Durango.