Shrub up to 1 m. Leaves 10-20 x 1-2 mm, dark green, clustered, aromatic, glabrous above, stellate-dendroid-canescent below. Inflorescence shortly pedunculate with c. 10-15 flowers in axillary cymes. Bracts minute. Calyx c. 4 mm, finely stellate-dendroid tomentose and gland-dotted. Corolla pale blue, c. 10 mm. Nutlets c. 2.5 x 1.5 mm, mucilaginous on wetting.