China Doll Plant, also known as Radermachera sinica, is a beautiful and elegant indoor plant with deep green, glossy leaves. Originating from Southeast Asia, it is an evergreen tree that belongs to the Bignoniaceae family. When cared for indoors, it can grow moderately fast and reach a height of six feet with proper care. It is also known for its air-purifying qualities and makes a great addition to any plant lover's collection.