Corolla tube 11–14 mm. long, slender, cylindric, gibbous-geniculate at apex; upper lip bilobed; lower lip broadly trilobed, 9–12 mm. long.
Flowers solitary in axils of inflorescence bracts, mauve, violet-blue to purple, forming terminal, few-branched, panicle.
Erect, glabrous herb, 10–35(50) cm. tall; stem simple or only branched within inflorescence, somewhat fleshy.
Calyx 3.5–5(6.5) mm. long; lobes 1–1.5(2.5) mm. long, broadly lanceolate.
Capsule 4–5 mm. long, 2–3 mm. in diam., ellipsoid.
Bracts like upper cauline leaves but smaller.
Pedicels 3–7 mm. long, slender.