Shrub to 2.5 m, greyish. Branches densely woolly-tomentose with mainly branched, non-glandular hairs, with some glandular hairs. Leaves broadly to narrowly ovate-elliptic, almost sessile, 11–35 mm long 7–13 mm wide, woolly-tomentose. Flowers in dense clusters, often forming leafy spikes; pedicels 0.5–2 mm long. Calyx 4–7 mm long, pubescent in lower half, woolly above. Corolla 5.5–8.5 mm long, sparsely pubescent outside, densely pubescent inside, white, the striations purple; lobes ovate to broadly ovate, 1.3–2.5 mm long. Stamens 1.3–3 mm long. Capsule ellipsoid to ovoid, 3–5 mm long. Seeds 2.8–3.4 mm long.