Corolla lilac to violet; upper lip 3.5 mm. long, 5–7 mm. broad; lower lip 3–4 mm. long, 5–6 mm. broad; spur 3–3.5 mm. long, subcompressed-cylindric, straight.
Leaves 1.5–3.5 x 0.3–0.6 cm., narrowly lanceolate or linear-lanceolate, acute or obtuse, shallowly dentate, glandular-pubescent.
Calyx 2–2.5 mm. long, lobes 0.5–1 mm. wide, oblong or linear-oblong, subacute.
Stem and branches subterete to angular, glandular-pubescent to subglabrous.
Annual herb, erect, 15–35 cm. tall, much branched especially from base.
Bracts 2–5 mm. long, sessile, cordate-ovate, acute.
Racemes (4)9–28 cm. long, lax, glandular-pubescent.
Capsule 5–7 x 3.5–4 mm., oblong, emarginate apex.
Pedicels 7–12 mm. long, slender to filiform.