The Tree is a symbol that appears multiple times in Severance. It represents Mark's grief at the loss of his wife, Gemma. It is believed that Gemma tragically died in a car collision with a tree. Mark is shown visiting the same tree to remember her.

During a wellness session, Ms. Casey offers Mark the opportunity to sculpt his feelings in clay. He sculpts a tree. Notably, Gemma’s Candle is lit on the table during this scene.