Red de Herbarios del Noroeste de México - Artemisia ludoviciana subsp. mexicana

Artemisia ludoviciana subsp. mexicana (Willd. ex Spreng.) Keck
Familia: Asteraceae Mexican Wormwood, more...white sagebrush [Artemisia ludoviciana var. mexicana (Willd. ex Spreng.) Gray, more] Patrick Alexander	FNA Recursos Leila M. Shultz in Flora of North America (vol. 19, 20 and 21) Stems 30-80(-100) cm, widely branched, sparsely hairy or glabrous. Leaves strongly bicolor (white and green, or gray-green and green), narrowly lanceolate, 4-10 × 0.5-1 cm, lobed; faces ± tomentose (abaxial) or glabrescent. Heads in paniculiform or racemiform arrays 1-8 × 2-5 cm. Involucres (campanulate) 3-4 × 2-3 mm. Florets: pistillate (5-)8-10; bisexual (6-)10-20; corollas ca. 1.5 mm. 2n = 18, 36. Flowering late summer-late fall. Mountain slopes, rocky soils; 500-1000 m; Ariz., Colo., Nev., N.Mex., Okla., Tex.; Mexico.
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