Annual, up to 400 mm tall. Leaves elliptic-lanceolate, slightly toothed. Flowers in lax racemes, calyx lobes lanceolate, glandular pubescent, corolla 17-26 mm long, upper lip ± 2x length of lower lip, lobes linear, white or lavender, with orange rectangular spot at base, often surrounded by blue and marked with purple, lower lip yellow or white, with a convex palate at base, palate glabrous with 2 orange bosses, spur 3-5 mm long. Capsule oblong emarginate, ± 8 x 5.4 mm.
Annual to 40 cm. Leaves opposite, elliptic-lanceolate, slightly toothed. Flowers in racemes, white, sometimes marked purple, with yellow lower lip with a slightly raised palate with 2 velvety bosses, upper lobes linear, elongate, spur 3-5 mm long. Capsules as long as wide.