One-headed rabbitbrush

Chrysothamnus monocephalus A. Nelson & P. B. Kennedy, Proc. Biol. Soc. Wash. 19: 39. 1906; C. parryi (A. Gray) Greene subsp. monocephalus (A. Nelson & P. B. Kennedy) H. M. Hall & Clements

Plants 5–40 cm (rigid). Leaves crowded, grayish; blades mostly 1-nerved, linear, 10–30 × 0.5–1.5 mm, faces sparsely to densely tomentulose, viscidulous; distalmost overtopping arrays. Heads 1–2(–4) at branch tips. Involucres 10–11 mm. Phyllaries 8–12, thinly chartaceous, apices erect to spreading, attenuate. Florets 5–7; corollas 8–9 mm, tubes sparsely strigose, throats gradually dilated, lobes 1.5–1.8 mm . 2n = 18.

Flowering late summer–fall. Open subalpine forests, talus, and alpine barrens; of conservation concern; 2800–3700 m; Calif., Nev.

Variety monocephala is known from the Sierra Nevada.