A. bulbifer is my fastest multiplying Amorph. Small bulblets form on the leaf and these, about a dozen per leaf, all become new plants in the new season. I put a couple in a back part of the garden several years ago and now there's hundreds.

They bloom a lot and, although each one doesn't have a strong smell, when a few of them get going together it's a bit overpowering. The past couple of years I've been pulling a lot out and burning them to reduce the numbers. They look good in their jungle setting but not such a good proposition when they're out of control and spreading.