All most all of the plants on Rapa Nui (Easter Island) are exotics, introduced. They have been brought for food, horticulture, landscape and by accident. I am in the process of producing a current species list and other papers on the plant life here on the island. Some of the plants there are very exotic. Most of them are very rare. Rare plants are plants that you don't see very often.
Palaeobotanical studies of fossil pollen and tree moulds left by lava flows indicate that the Easter Island originally was forested with a range of trees, shrubs, ferns, and grasses. All the forest is now gone.
A large now extinct palm called the Rapanui palm (Paschalococos disperta) and related to the Chilean wine palm (Jubaea chilensis), was one of the dominant trees and like its Chilean counterpart, probably took close to 100 years to reach its adult height.
chickens and rats
fruit
Easter eggs
Pecans grow on trees, deciduous trees.
The Hamburisis chickens lived on Easter Island. They were also known as the chicken of the west.
Apple trees
Pear trees.
big trees
Never, there has never been nuclear tests of any kind on Easter Island.
Acorns are from Oak trees.
No kinda of trees can grow in Antarctica.
The best way to grow a large number of trees is by seed. You can also grow some trees by cuttings. But it depends on what kind of trees you want to grow.
They grow on Palm Trees!
The island itself is incapable of celebration of any kind. Its' inhabitants are another story altogether. Perhaps you would like to restate your question.