Howard’s rabbitbrush

Linosyris howardii Parry ex A. Gray, Proc. Amer. Acad. Arts 6: 541. 1865; Chrysothamnus parryi (A. Gray) Greene subsp. howardii (Parry ex A. Gray) H. M. Hall & Clements

Plants 30–60 cm. Leaves crowded, gray; blades 1-nerved, linear, 20–40 × ca. 1 mm, faces tomentose, eglandular; distalmost overtopping arrays. Heads 5–10+ in compact, racemiform arrays, or terminal glomerules. Involucres 9.5–12 mm. Phyllaries 12–20, mostly chartaceous, apices spreading, acuminate. Florets 5–7; corollas pale yellow, 8–10.7 mm, tubes hairy, throats gradually dilated , lobes 1.2–1.7 mm. 2n = 18.

Flowering late summer–fall. Upland slopes, tablelands; 200–2900 m; Ariz., Colo., Nebr., N.Mex., Utah, Wyo.

Variety howardii grows within and east of the Rocky Mountains.