T. ochrochlorum is a large, fleshy, squat dandelion with very wide wings to the petiole which is green beneath; the midrib above sometimes has a bronze tint, but not always so. Leaf side-lobes are long, patent and with a sigmoid distal margin, Exterior bracts are narrow, bordered and arched, slightly recurved. Capitula are large, often exceeding 60 mm when expanded; ligule stripes are dark grey-brown. Compare T. aurosulum, T. lunare.