A prehistoric plant alphabet!

So after recently having had a very short conversation on Twitter about a dinosaur alphabet I have decided to to produce a alphabet of ancient plants. Some will be plants that are extinct, some plants that are still around today, some I have probably even got growing in my garden.
So here is the first letter…
A is for……
Archaefructus

A group of 3 aquatic angiosperm (flowering plant) species known from fossils dating to about 125 million years old. It’s now extinct but paleobotanists believe, because of the way its flowers were laid out, it represents a new basal (early) group of flowering plants.