Annual, branching from base, up to 300 mm tall. Leaves ovate, entire or toothed. Flowers axillary, bilabiate, pale yellow with a brown spot on each upper corolla lobe, limb 8-15 mm long, spurs projecting backwards and curving downwards, 10-12 mm long.
Annual, branching from base, 2-30 cm. Leaves ovate, entire or toothed. Flowers axillary, umbelliform, 2-spurred, pale yellow with paired, brown spots on upper lip, 8-14 mm long, spurs projecting backwards, ± 3-6 mm long.