Ericameria lignumviridis

Plants 10-30 cm. Stems erect, green when young, becoming tan, branched, glabrous, resinous. Leaves ascending; blades oblanceolate, 7-30 × 1.5-3 mm, midnerves evident, apices acute to apiculate, faces glabrous, resinous; axillary leaf fascicles usually present, much shorter than subtending leaves. Heads (3-8) in cymiform arrays. Peduncles 1-12 mm (bracts 0-3, scalelike). Involucres obconic, 12-15 × 4-8 mm. Phyllaries 18-28 in 3-4 series, tan, ovate or lanceolate to elliptic, 8-12 × 1-2.5 mm, subequal, outer herbaceous-tipped, inner mostly chartaceous, apices erect, acute or acuminate to cuspidate, abaxial faces glabrous, resinous. Ray florets 5-8; laminae 3-4 × 0.7-2 mm. Disc florets 8-12; corollas 9-10.5 mm. Cypselae tan to reddish, ellipsoid, ca. 5 mm, densely hairy; pappi off-white to brown, 7.5-9 mm.

Flowering late summer-fall. Riparian areas with willows, nettles, and other bottomland plants; of conservation concern; ca. 1900 m; Utah.