Glandular-hairy perennial herb with decumbent stems ascending to c. 30 cm tall. Lvs shortly petiolate. Lamina 1.5-5 × 1-2.5 cm, lanceolate to ovate, membranous, distantly dentate or almost entire; base usually truncate; apex acute. Fls solitary in lf axils. Pedicels 1-2 cm long, slender, densely glandular-hairy. Calyx 7-13 mm long, tubular, densely glandular-hairy, not accrescent; teeth narrowly triangular-acuminate, < tube, the upper somewhat longer than lower. Corolla 1.5-2 cm long, moderately irregular, yellow, glandular-hairy outside and bearded inside on lower lip; tube with fine dark veins; lobes emarginate or rounded; throat open. Capsule c. 5 mm long, ovoid or ovoid-elliptic. Seeds finely tuberculate.