Erect herb 70-80cm high. Leaves rugulose because of impressed veins. Inflor. to c.40cm long, erect. Bracts with pale midrib & main veins. Corolla somewhat irregular, 4-5cm across the flat limb, yellow with 2 purple basal blotches; lobes broadly rounded-obovate. 1 clump only seen despite searching. Sheets A to B