 While the concept of Refuge Trees appears in liturgical texts at least as early as the 16th century, based on known examples Refuge Tree paintings appear to have only become popular from the 18th century making them a late development in the history of Tibetan art.Refuge Tree or Refuge Field paintings depict the important objects of "Refuge" for each sect or lineage in the form of a genealogical chart.Each lineage has its own distinctive form of composition but they usually include the "Three Jewels" (Sanskrit