Phymaspermum thymelaeoides (Dc.) Magee & Ruiters

Single-stemmed, densely leafy shrub, (0.5)0.8-1.2 m high. Stem much-branched; branches erect to spreading, silvery pubescent; fascicles sometimes present in leaf axils. Leaves alternate, erect to spreading, 5.0-30.0 x 0.8-3.0 mm, linear to spathulate, mucronate, entire to trifid, narrowed into petiolelike base, sometimes with secondary basal lobes, silvery sericeous on both surfaces, fleshy; basal swelling present, continuous with stem ribs; lobes 3, 2.0-3.0 x 1.0 mm, linear, mucronate. Capitula radiate, heterogamous, terminal, solitary, with 0-2 additional capitula from leaf axils below, pedunculate; peduncles 5.0-35.0 mm long, silvery pubescent. Involucre 4.0-7.0 x 4.0-5.0 mm, hemispherical to cyathiform, sometimes tapering at the base; involucral bracts 3-or 4-seriate, loosely to tightly arranged, margins and apices scarious, membranous apices of all bracts 0.1-1.0 mm long, silvery villous, brown margins absent, median resin canals present; outer bracts lanceolate, 1.5-2.1 mm long, attenuate; middle bracts lanceolate, 2.0-2.3 mm long, rounded; inner bracts oblong, 2.7-3.8 mm long, rounded; innermost bracts oblong, 3.4-4.0 mm long, rounded. Receptacle convex; paleae in marginal series (rarely rudimentary inner paleae present); oblong, 3.5-4.0 mm long, rounded, scarious. Ray florets 8-12; tube 1.2-1.6 mm long; limb obovate, 5.4-7.2 x 2.2-3.0 mm, apically 3-dentate, white to purple. Disc florets 20-30, without resin canals; corolla 1.7-2.7 mm long, with glandular trichomes and sometimes hairs on tube, yellow to purple; tube 0.7-1.8 mm long; limb campanulate, 0.5-1.0 mm long (excluding lobes); lobes spreading, 0.5-1.0 mm long, triangular. Anthers 1.7-3.8 mm long (including apical appendage); apical appendage ovate. Style 1.2-3.2 mm long (excluding branches); branches 0.4-0.5 mm long. Cypselas 2.5 x 0.7 mm, obovate, 11-ribbed, apical rim thickened, slightly dentate, glandular trichomes present, dense, mostly between ribs, mucilaginous when soaked, discontinuous resin canals in ribs absent.