Shrublet, 1–2 m tall, erect or often ± decumbent, often leafless at flowering time. Leaves petiolate; blade broadly ovate, suborbicular or broadly elliptic, 11–25 × 10–20 mm, densely hoary with greyish hairs, apex obtuse or subacute, base cuneate, margin crenate. Inflorescence lax; bracts small, mostly early deciduous; cymes (3–)4–7-flowered, subsessile or very shortly pedunculate; pedicels spreading, 6–13 mm long in the fruiting stage, pubescent with short eglandular hairs and often a few glands. Fruiting calyx ± upcurved, 5–8 mm long, ± pubescent in the mouth of the tube; upper lobe broadly ovate, concave, decurrent; lower lobes c. 3.5 mm long, longer than the lateral lobes. Corolla 12–18 mm long; lower lip 5–9 mm long, much longer than the upper lip. Stamens ± connate. Nutlets 1–1.2 × 0.9–1.2 mm.