"Purple Base anemone" is a sales name for Heteractis Magnifica anemones (also commonly called Ritteri Anemones).
The ID seems right on with this one, having a ton of tentacles all over with a rather broad foot and greenish bulb-tips.
This should get you up to date with the basics:
http://animal-world.com/Aquarium-Cor...nt-Sea-Anemone