Bayan tree Ficus benjamina and several other Ficus (genus) "species of the tribe or Moraceae)" , also called waringin or (somewhat mistaken) fig (ki ara, ki means "tree"), known as garden plants and ornamental plants. breeders have developed banyan leaves (*variegata) which are popular as indoor ornamental plants. Beringin is also often used as a bonsai object. 
"Banyan is very familiar with indigenous culture of Indonesia. These large *tree-shaped plants are often considered sacred and protect the local population 
The offerings are often given under a banyan tree that is old and large because it is considered a place of magical power gathered." 
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*Some people think the place around the banyan tree is a "haunted" place and needs to be shunned.