Woody subshrub, 0.1-1.0 m high, single-stemmed at base becoming branched, glabrous; stem very rough. Leaves opposite, narrowly linear, entire, upper 4-5 x 1.2 mm, lower 10-18 x 1.2 mm, some clustered at nodes, acuminate. Capitula heterogamous, radiate, small, 5 x 2.5 mm when pressed, corymbose at ends of branches, shortly pedunculate. Involucre cylindrical; involucral bracts in 5 rows, imbricate, glabrous; outer ovate, 1 x 0.5 mm, membranous along edges; middle ovate-lanceolate, 1.1 x 1 mm, membranous along edges; inner 5 x 1 mm, lacerate, tips membranous. Receptacle flat, paleate; paleae linear-lanceolate, 2 mm long, almost as long as disc florets. Ray florets female, white; corolla limb glandular, 3 mm long, 3-toothed; corolla tube shorter than limb, sparsely glandular. Style terete, 1.5 mm long, branches linear, obtuse, 0.4 mm long. Ovary ellipsoid, ribbed, glabrous. Disc florets bisexual, fertile, yellow; corolla tube 1.2 mm long, glandular; corolla limb 1 mm long, glandular, 5-lobed; lobes ovate, 0.2 mm long. Anthers linear, minutely caudate, with lanceolate apical appendage. Style terete, branches linear, truncate, 2 mm long. Ovary 1.2 mm long, ± ellipsoid, slightly striate, glabrous. Cypsela 2 mm long, glabrous, cylindrical, minutely papillose especially on ribs, crowned with thickened apical rim. Pappus absent.
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