Erect or straggling, slender-stemmed shrublet, up to 500 mm tall, ± glabrous. Leaves linear and often denticulate, rarely with a few narrow lobes, sessile but narrowed to base, mostly 20-30 x 1-2 mm, margins revolute. Flowerheads in upper axils in lax corymbs, discoid, yellow; involucre campanulate, 3-5 mm diam., bracts 10-15, 5-7 x ± 1 mm, bracteoles 5-7, imbricate, lanceolate, black-tipped.
Twiggy, glabrous shrublet to 60 cm. Leaves linear, minutely toothed, margins revolute, often with axillary tufts. Flower heads discoid, few in small corymbs, yellow or white.