A plant that I was introduced to in school, Bryophyllum daigremontianum, usually grown as a very easy houseplant, I'm trying to naturalise it in the community garden here in Spain, so far so good.
This is what the plant looks like normally.
This is a close up, showing the baby plants growing on the leaves.
These are the flowers they produce when happy.
This is a pale flowered form that cropped up amongst them.