Subshrub, stems ascending, with 1-2 mm branched hairs. Leaves 1.5 cm long and wide, cordate, shortly petiolate, covered on each surface with 1-2 mm branched hairs. Spikes 2.5 cm long, 2 cm wide. Bracts 10 mm long, 8 mm wide, broadly ovate, yellow-green, flushed pink. Calyx 2-lipped, 8 mm long, tube 4.5 mm, upper lip entire, rounded, lower lip shorter, with 2 triangular lobes 1 mm. Corolla 20 mm long, purple, tube slightly saccate, 16 mm long, lips at right angle to tube. Upper lip notched, lower lip 3-lobed, central lobe largest. Stamens with 1 pair 5 mm long and just protruding, 1 pair 2 mm long and enclosed within the tube. Style 22 mm long.
Probably a hybrid between O. dictamnus and O. amanum with the branched hairs of the former but intermediate in floral characters.
Branched hairs on leaves and stem, long (20 mm long) corolla with lips perpendicular to tube, 2-lipped calyx with upper lip emarginate.