Sprawling, minutely-hairy subshrub up to 30cm. Leaves ovate-lanceolate, margins thickened and minutely prickly-toothed. Flowers in leafless terminal inflorescence, 1-3 in axils, in pseudo-racemes, white to lilac, bell-shaped, about 5mm across; fruits 6-10mm long.

Latin: tener = soft, delicate; -imus = very: referring to the very delicate slender appearance of this species.