Well, they don't seem to have been that imaginative in view of the cylindrically shaped leaves. More original were other trivial names that also came up.
For example, cylindrical snake plant, African spear or - in Brazil - Saint Barbara sword.
The variety name «Mikado», on the other hand, goes back to the well-known pick-up sticks game, because the plant leaves are reminiscent of wooden sticks, which in turn are derived from East Asian oracle techniques.
Order William now