Single-stemmed, densely leafy shrub, 0.7 m high. Stem much-branched; branches erect to spreading, silvery pubescent; fascicles sometimes present in leaf axils. Leaves alternate, spreading, 5.0-17.0 x 0.8-1.0 mm, linear, mucronate, rarely entire (entire on peduncles), trifid, narrowed into petiole-like base, without secondary basal lobes, silvery sericeous on both surfaces, fleshy; basal swelling present, continuous with stem ribs; lobes 3, 1.0-8.0 x 0.8-1.0 mm, linear, mucronate. Capitula radiate, heterogamous, terminal, solitary, pedunculate; peduncles 20.0-40.0 mm long, silvery pubescent. Involucre 5.0-6.0 x 6.0-7.0 mm, hemispherical to cyathiform, not tapering at the base; involucral bracts 3-or 4-seriate, tightly arranged, margins and apices scarious, membranous apices of all bracts 0.3-1.3 mm long, pubescent, brown margins present, median resin canals present; outer bracts lanceolate to ovate, 2.1-2.4 mm long, acute to rounded; middle bracts lanceolate to ovate, 2.2-2.6 mm long, rounded; inner bracts ovate, 3.0-4.0 mm long, rounded; innermost bracts linear to oblong, 4.5-4.8 mm long, rounded. Receptacle convex; paleae in marginal series, linear to oblong, 4.3-5.9 mm long, rounded, rigid with scarious mar gins and apices, scarious apices 1.0-2.0 mm long. Ray florets 12 to16; tube 1.4-1.7 mm long; limb obovate, 7.2-7.7 x 3.1-3.5 mm, apically 3-dentate, white. Disc florets 30-40, without resin canals; corolla 1.7-2.0 mm long, with only glandular trichomes, yellow; tube 1.0-1.1 mm long; limb campanulate, 0.7-1.0 mm long (excluding lobes); lobes spreading, ± 0.6 mm long, triangular. Anthers 2.0-2.7 mm long (including apical appendage); apical appendage obovate. Style 2.0-2.1 mm long (excluding branches); branches 0.4-0.6 mm long. Cypselas 1.7 x 0.7 mm, oblong to obovate, 11-ribbed, apical rim absent, glandular trichomes present, dense, scattered, mucilaginous when soaked, discontinuous resin canals in ribs absent.
Home