what is coix
Coix is a plant whose botanical name is Coix lacryma-jobi. It belongs to the Gramineae (or Poaceae) family. Coix is used in traditional Chinese medicine, where it is called yi yi ren.In English it is also known as Job's tears.Coix is an annual plant that grows wild to a height of about 3 ft (1 m) in sunny but moist grasslands. It is also cultivated in many parts of the Orient.oix is used in traditional Chinese medicine, where it is called yi yi ren. In English it is also known as Job's tears. Coix is an annual plant that grows wild to a height of about 3 ft (1 m) in sunny but moist grasslands. It is also cultivated in many parts of the Orient.