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FNA | Family List | FNA Vol. 20 | Asteraceae | Ericameria

21q. Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird var. salicifolia (Rydberg) G. L. Nesom & G. I. Baird, Phytologia. 75: 87. 1993.

Willowlike rabbitbrush

Chrysothamnus salicifolius Rydberg, Bull. Torrey Bot. Club 37: 130. 1910; C. nauseosus (Pallas ex Pursh) Britton subsp. salicifolius (Rydberg) H. M. Hall & Clements

Plants 60–120 cm. Stems grayish to nearly green, leafy, loosely tomentose. Leaves grayish green; blades mostly 3–5-nerved, broadly linear, 40–90 × 3–6(–10) mm, faces tomentulose. Involucres 7.5–9.5(–10.5) mm. Phyllaries 11–17, apices erect, obtuse, outer abaxial faces glabrous or with apical tufts of hairs, inner frequently glabrous. Corollas 7.5–9.5 mm, tubes minutely puberulent, lobes 1–1.5 mm, glabrous; style appendages longer than stigmatic portions. Cypselae densely hairy; pappi 7.5–7.6 mm.

Flowering later summer–fall. Sagebrush, pinyon-juniper, mountain brush, and aspen communities; 1300–2900 m; Utah.

Variety salicifolia is known from Cache to Sevier counties. Intermediates between var. salicifolia and var. graveolens have been observed.


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