Phymaspermum scoparium (Dc.) Källersjö

Single-stemmed, sparsely leafy shrublet, height unknown. Stem much-branched; branches erect to spreading, spine-tipped, silvery-pubescent; fascicles sometimes present in leaf axils. Leaves alternate, appressed to spreading, 1.0-5.0 x 1.0-2.0 mm, triangular ovate to spathulate, rounded to mucronate, entire, narrowed into petiole-like base, without secondary basal lobes, densely silvery pubescent on both surfaces, fleshy; basal swelling present, continuous with stem ribs. Capitula discoid, homogamous, on short axillary shoots, solitary, subsessile. Involucre 4.0 x 3.0 mm, cyathiform, tapering at the base; involucral bracts 4-seriate, tightly arranged, margins and apices scarious, membranous apices of all bracts 0.1-0.2 mm long, glabrous to villous along edges, brown margins absent, median resin canals present; outer bracts deltoid to lanceolate, ca. 1.5 mm long, acute to obtuse; middle bracts deltoid to lanceolate, ca. 1.8 mm long, acute to obtuse; inner bracts lanceolate to oblong, ca. 1.8 mm long, obtuse; innermost bracts oblong, ca. 2.2 mm long, obtuse. Receptacle convex; paleae in marginal series, linear, ca. 3.0 mm long, obtuse, rigid with scarious margins and apices, scarious apices 0.6 mm long. Disc florets ± 10, without resin canals; corolla ±1.8 mm long, with glandular trichomes and hairs on tube and limb, yellow; tube ±1.0 mm long; limb narrowly campanulate, 0.8 mm long (excluding lobes); lobes spreading, 0.7 mm long, triangular-ovate. Anthers 2.1 mm long (including apical appendage); apical appendage oblong. Style 2.2-2.5 mm long (excluding branches); branches 0.8 mm long. Cypselas 2.0 x 0.8 mm, narrowly obovate, 11-ribbed, apical rim thickened, slightly dentate, glandular trichomes present, dense, scattered, not mucilaginous when soaked, discontinuous resin canals in ribs absent. Flowering time is from November to March.