Shrublet, erect, branched, 50-90 cm high; branchlets with long, tubercle-based, spreading hairs. Stipules deltoid to broadly ovate, acuminate, usually with a broad, cordate base, which is somewhat decurrent on the branch or stem, with single or few-rayed bulbous-based hairs, especially on dentate margin. Leaves distichously arranged, shortly petiolate; blade broadly ovate-oblong to obovate-oblong, 10 x 8-20 x 16 mm or sometimes longer, broadly cuneate or rounded at base, upper surface with long, bulbous-based hairs, which are single or few-rayed, lower surface with similar hairs but many-rayed or stellate from a bulbous base, at first densely so giving a whitish appearance to undersurface; margin distinctly crenate-dentate; petiole very short or 2-5 mm long. Inflorescence a few-flowered, fairly short, racemose or paniculate cyme terminal on ultimate branchlets; pedicels short or up to 5 mm long, pubescence as on branchlets; bracts lanceolate-acuminate to ovate-acuminate up to 6 mm long, the upper small and lobed, sparsely pubescent with long, bulbous-based hairs. Calyx 5-lobed to about middle, about 5 mm long, sparsely pubescent with long stellate hairs from a tubercled or scale-like base. Petals more or less oblong, about 7 mm long, abruptly narrowed about midway, upper half suborbicular, lower half with broadly infolded margins, obscurely ciliate and pubescent, narrowing at base into a claw about 1.5 mm long. Stamens with hyaline filaments which are oblong, slightly narrowing towards base, about 3 mm long, with a few hairs on shoulders; anthers about 3 mm long, cells pointed, ciliate along sutures. Ovary somewhat 5-angled, pubescent (hairs erect and long at apex), very shortly stipitate, stipe about 0.5 mm long; styles minutely pubescent, about 3.5 mm long. Capsule enclosed in the ± persistent calyx and corolla, about 2.5 x 2.5 mm, 5-lobed, 5-umbonate at apex, stellate-pubescent, hairs long in upper half and at apex. Seed reniform, suborbicular, tubercled, ±1 mm diam.
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Prickly hairy, single-stemmed, erect shrub to 1 m. Leaves broadly ovate, sometimes slightly deflexed, shortly petiolate to subsessile, margins crenate, densely woolly beneath. Flowers in elongate, terminal clusters on lateral branches, yellow.