Which parts of the plant yield essential oils?

The plants store their natural essential oils in different parts. Here are a few examples:

  • in the flowers: Jasmine, Magnolia, Neroli, Rose
  • in the leaves: Bay, Melissa, Sage, Thyme
  • in the seed: Aniseed, Borage, Caraway, Coriander
  • in the bark: Aleppo Pine, Cinnamon, Oak
  • in the roots: Angelica, Ginger, Pimpinella, Vetiver
  • in the resin: Benzoin, Frankincense, Maritime Pine, Myrrh
  • in the wood: Agarwood, Cedarwood, Rosewood, Sandelwood
  • in the outer peel: all Citrus fruits