I have two Durban Poisons in our screen room, and they look totally different. One is much taller and already up against the roof of that room again (after taking a foot off the top two weeks ago!), where the other is wider.
If there is any chance of the big one being male I am more than willing to cut and hang it today. We have a friend who is a beekeeper who uses the leaf in his smoker- says it seems to calm them down!