Stems 3.5-8 cm. Leaves: petioles stout; blades usually 1-nerved, linear, 40(-70) × 1-1.5 mm, bases about as wides as blades, margins ciliate, faces usually at least ± scabrous. Heads 1(-2).

Flowering and fruiting mid-late spring. Pinyon-juniper woodlands on shale; of conservation concern; 1700-2000 m; Utah.

Stenotus armerioides var. gramineus is known only from Green River Formation shales of the Uintah Basin of Duschesne and Uintah counties.