Chrysothamnus eremobius

Subshrubs, 10-30 cm; with woody, highly branched caudices, bark whitish to dark gray, finely ridged, ± fibrous with age. Stems erect, green becoming whitish, glabrous, ± resinous. Leaves ascending to spreading; petiolate; blades mostly 3-nerved (nerves reticulate, raised), elliptic to oblanceolate or obovate, 20-80 × (7-)10-25 mm (mostly larger basally, ± reduced distally), flat, apices acute, faces glabrous, gland-dotted. Heads in condensed, cymiform arrays, not overtopped by leaves. Involucres cylindric to turbinate, 6.5-8.8 × 1.8-2.5 mm. Phyllaries 19-24(-30) in 3-4 series, in vertical ranks, tan with apical green spot, midnerves evident distally, ovate to lanceolate, 1.5-6 × 0.7-1.5 mm, unequal, chartaceous, apices obtuse to acuminate, flat, faces glabrous . Disc florets 5(-6); corollas 4-5 mm, lobes 0.8-1.2 mm; style branches 2.2-2.7 mm, appendages 0.8-1.2 mm. Cypselae cylindric, 2.5-3 mm, faces hairy ; pappi tan, 3.1-3.9 mm. 2n = 18.

Flowering late summer-fall. Crevices of limestone cliffs; of conservation concern; 1400-1700 m; Nev.

Chrysothamnus eremobius is known only from the Pintwater and Sheep ranges of southern Nevada.