And if it exists it may be hidden under the accepted name of anitum = addcutum .
The record shows that a hybrid whose parents are lowii x adductun has been registered as Paphipedilum Low Hum.
The hybrid record is a tad confussing as "addcutum, anitum or adductum var anitum" have been registered as parents yielding at one time or another diferebnt names.