This picture nicely shows how the Bubble-Tip Anemone gets it's name by forming a bulb at the tip of the tentacle. Although there is the Rose colored variety, this anemone primarily tends to be brown or greenish-brown in color, but often has bright green tentacles, which can be pink or purple tipped.
Entacmaea quadricolor anemones are almost universally accepted by different Clownfish species, and therefore it is the best choice for most aquarists.
Sea Anemones are not the easiest things to keep alive and in good health in an aquarium. Here are the summary and analysis of the Host Sea Anemone Survivability Survey. The information here could help you to easily double the life span of a sea anemone in your aquarium.