Pteronia inflexa L.F.

A small, sparingly branched undershrub with an elongated spirally twisted stout stem and longitudinally splitting bark; branches sparingly pubescent. Leaves opposite, oblong or oblong-elliptic, rounded at the apex, 0.5-1.5 cm long, 3-6 mm broad, coriaceous, setulose-pubescent and glandular on both surfaces. Heads solitary at the ends of short branchlets, cylindric-campauulate, 1.5-2 cm long, about 1 cm in diameter, many-flowered. Involucral bracts about 6-senate, all suborbicular with a sharply defined membranous margin 1 mm wide, sparingly glandular outside, otherwise glabrous. Receptacle nearly flat, nearly 5 mm in diameter. Corolla 1 cm long, gradually widened from near the base upwards, glabrous; lobes lanceolate, subacute, 1.5 mm long. Achenes 4 mm long, thinly villous. Pappus as long as the corolla, straw-coloured.