- Spikenard – Nardostachys grandiflora or Nardostachys jatamansi – (Nard) – Therapeutic Usage – Oil of spikenard can be taken to help support nervous headaches, indigestion, occasional tiredness and melancholy. Externally, it was used to help support skin rashes and swellings. Gerard said that “it provoketh urine, helps gnawing pains of the stomach, dries up the defluxions that trouble the belly and entrails, as also those thatskin imperfectionst the head and breast. It stays coughs, colds of th