It should be noted the CoL refers to the worlds most widely accepted sources for it's taxonomic listings. So it would not be just CoL that has to be 'wrong'.
It's not the opinions of growers that we take into account as far as taxonomic details are concerned within the database, but the current opinions of published botanists.
World Plant checklist at KEW also list truncata as a synonym. There are those the disagree, but at this time the name is considered a synonym from a taxonomic standpoint. Until the scientific community changes this, it is likely our database here will follow the same conventions it always has.
