Both T. ixioides and T. juncifolia can have flowers without spots and both are very similar in appearance to each other. Without complete confidence I think this column is more like T. juncifolia as the finger-like glands at the apex are longer as are the auxiliary lobes which look flat rather than inflated, and the hair-tufts look sparse, all indicating T. juncifolia but this could also be another hybrid but I will confirm it as T. juncifolia.