Mehndi Pattern Designs as it is called in Moslem countries or Mehendi as it is known in India is named in Latin as Lawsonia inermis. Henna is also used as a medicinal plant by Unani and ayurvedic doctors with excellent results.Mention of henna use can be found as long ago as 1600 BC as it was found that there was a custom among Egyptians to have the Pharaoh’s hands and hair dyed with henna before mummification.