Perennial with a thick woody rootstock. Stems several, erect, 20.30 cm tall, usually unbranched, eglandular, lanate below, glandular above. Leaves mostly clustered at stem bases, oblong to linear-oblong, simple, c. 5-10 x 1-2.5 cm, lanate to pannose below, arachnid and green above, crenulate or entire, gradually tapered to base, sessile. Inflorescence showy, usually unbranched of few 4-8-flowered distant verticillasters. Bracts conspicuous, broadly ovate, acuminate, 15 x 15 mm, usually greenish violet. Pedicels c. 3 mm, erect-spreading. Calyx tubular, 11 mm, with a dense indumentum of long eglandular and shorter glandular hairs; upper lip with 3 subequal mucronate teeth, truncate; lower lip with 2 acuminate mucronate teeth. Corolla dark violet or clear blue, 20-25 mm long; tube c. 10 mm long, neither invaginated nor squamulate; upper lip falcate; lower lip cucullate. Lower theca sterile, dolabriform. Nutlets brown with reticulate veining, 2.5 x 2 mm.