Shiny-bract rabbitbrush

Chrysothamnus nauseosus (Pallas ex Pursh) Britton subsp. nitidus L. C. Anderson, Phytologia 38: 313, fig. 2. 1978; C. nauseosus var. nitidus (L. C. Anderson) S. L. Welsh

Plants 60–150 cm. Stems yellowish green, leafy at flowering, densely tomentose. Leaves yellowish green; blades 1-nerved, linear, 30–50 × 1–1.5 mm, faces glabrate. Involucres 10–12.5 mm. Phyllaries 13–19 (outer weakly keeled), apices erect, acute (outer) or acute to obtuse (inner), outer abaxial faces scurfy-tomentulose, inner glabrous. Corollas 9.5–11 mm, tubes mostly glabrous, lobes 0.7–1 mm, glabrous or villous; style appendages longer than stigmatic portions. Cypselae usually glabrous, sometimes hairy; pappi 9–10 mm. 2n = 18.

Flowering late summer–fall. Sandy gravels of dry streambeds; 1200–1800 m; Ariz., N.Mex., Utah.