Pteronia incana Dc.

A much-branched shrub; branches divaricate, pubescent when young, at length glabrous, with dark-coloured bark. Leaves opposite, linear or spathulate-linear, obtuse, narrowed to and connate at the base, 0.5-1.5 cm long, 1-2 mm broad, coriaceous, canous-tomentose. Heads solitary, sessile, about 10-flowered, turbinate, about 15 cm long and nearly 1 cm in diameter across the top. Involucral bracts 5-6-seriate, the outermost ovate, about 2 mm long, the innermost oblong-linear, about 8 mm long, all obtuse, glabrous, with narrowly membranous hyaline margins. Receptacle fimbriate. Corolla 1.3-1.5 cm long; tube cylindric in the lower part, slightly expanded in the upper, glabrous; lobes linear-lanceolate, acute, 3 x 5-4 mm long, glabrous. Anthers 4 mm long, subacute. Achenes compressed, obovate, 5 mm long, appressed-villous in the lower part, glandular. Pappus nearly white or yellowish white, about 1 cm long.