An erect herb 2–2 1/2 in. high, branched from the base, thinly covered on the branches and leaves with short rather stiff whitish hairs. Leaves elliptic-oblong, 2–5 lin. long, 1–2 lin. broad, sessile or the lower subsessile, obtuse, few-toothed. Flowers axillary, solitary; peduncles glabrous or nearly so, 3–9 (usually about 5) lin. long. Calyx 2 1/4 lin. long, slightly 5-angled, with narrow scarious spaces between the angles; teeth 1/2 lin. long, ovate or ovate-elliptic, obtuse, minutely ciliate. Corolla 4 1/2–5 lin. long; upper lip ovate, contracted near the apex, 2–2 1/2 lin. long, bifid; teeth ovate, acute, scarcely 1/2 lin. long; lower lip 2 1/2 lin. long, 3 lin. broad; lateral lobes obovate, 1 1/4 lin. long, 1 lin. broad; median lobe suborbicular, 1 1/2 lin. in diam. Staminodes gibbous, with a very short proboscis-like appendage. Capsule 3–3 1/2 lin. long, about 1 lin. broad, oblong, acute.
