Bai Zi Ren is also called Arbor Vitae Seed or Biota Seed. It is sweet and neutral in nature. It comes from the biota tree which is native to China and can grow up to 45 feet in height. This tree can produce vast quantities of seeds - Bai Zi Ren. This herb is sweet and neutral. It enters the kidney, large intestine, heart and spleen meridians.