Single-stemmed, very sparsely leafy shrub, 0.5-1.0 m high. Stem much-branched; branches erect to spreading, spine-tipped, densely white woolly between ribs; fascicles rarely present in leaf axils. Leaves alternate, very sparse, caducous, apressed to erect, 2.0-20.0 x 0.5 mm, linear, mucronate, revolute, entire, without petiole-like base, without secondary basal lobes, glabrous on both surfaces, fleshy to leathery; basal swelling present, continuous with stem ribs. Capitula radiate, heterogamous, terminal, solitary, with 0-1 additional capitula from leaf axils below, pedunculate; peduncles 25.0-38.0 mm long, silvery pubescent. Involucre 5.0-6.0 x 6.0-9.0 mm, hemispherical, rarely tapering at the base; involucral bracts 4-seriate, tightly arranged, margins and apices scarious, membranous apices of all bracts 0.3-0.5 mm long, silvery villous, brown margins absent, median resin canals present; outer bracts lanceolate, 1.5-1.6 mm long, acute; middle bracts lanceolate, 2.0-2.2 mm long, acute; inner bracts lanceolate to oblong, 2.5-3.5 mm long, acute to obtuse; innermost bracts oblong, 3.5 mm long, rounded. Receptacle convex; paleae in marginal series, narrowly oblong, 3.0-4.5 mm long, rounded, scarious. Ray florets 9-10; tube 2.0-2.8 mm long; limb obovate, 5.7-11.4 x 3.2-4.0 mm, apically 3-dentate, white. Disc florets ± 50, without resin canals; corolla 1.6-2.0 mm long, with only glandular trichomes, yellow; tube 0.7-1.0 mm long; limb campanulate, 0.7-1.8 mm long (excluding lobes); lobes spreading, 0.5-0.7 mm long, triangular. Anthers 2.0-2.4 mm long (including apical appendage); apical appendage oblong. Style 2.0-2.2 mm long (excluding branches); branches 0.4 mm long. Cypselas 2.0-2.5 x 0.5-0.8 mm, obovate, 10-to 11-ribbed, apical rim absent, glandular trichomes present, dense, scattered, mucilaginous when soaked, discontinuous resin canals in ribs absent. Flowering is from June to December.
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