Stem 6–9 ft. high, with deflexed hairs. Leaves 5 1/2 by 2 in., elliptic, acute at either end, when young hairy, when mature hairy on the nerves of both surfaces; petiole 1/4– 1/2 in. long. Inflorescence terminal, 6 by 1 in., a constricted linear panicle, grey-hairy; branches very short 1–4-flowered cymes, with a floral leaf at the base of each branch, 1/4 to 3/4 in. long, elliptic, acute; flower-bract scarcely 1/5 in. long, linear. Sepals 1/5 in. long, equal, linear-lanceolate, grey hairy. Corolla 1 1/2 in. long, clear blue, hairy without; tube 1/3 in. long; anticous lip 3/4–1 in. broad, with 3 short ovate lobes; posticous lip 1/3 in. broad, oblong, nearly entire. Stamens 2; filaments glabrous; anther-cells 2, one completely below the other, elliptic; upper oblique transverse, hairy, with a minute basal spur or muticous; lower distinctly spurred; pollen ellipsoid, longitudinally banded, with one row of depressed tubercles on either side of each of the 3 stopples. Style-base hairy, tip very shortly and equally 2-fid. Capsule 3/4 by 1/5 in., thickly hairy, 4-seeded; stalk 1/5 in. long; seeds rugose.