Olea europaea


The specific name “europaea” indicates its origin: the coastal areas of the eastern Mediterranean Basin as well as northern Iran at the south end of the Caspian Sea.

Also Known as

  • olive



Identification Keys

  • evergreen tree
  • height up to 15 m
  • thick, gnarled and silvery trunk
  • trunk and main branches have many  large cavities and holes
  • wild tree (oleaster) is bushy and spiny
  • cultivated tree (sativa) is unarmed
  • leaves not divided into leaflets
  • leathery leaves 20-80 mm
  • leaves are grey-green above, silvery-hairy beneath
  • leaves in opposites pairs on shoots
  • flowers in loose spikes
  • each flower has 4 sepals, 4 petals, joined in a tube, and 2 stamens
  • fruit size: 10-35 mm
  • in first year, fruits are green; they ripens black in second year
  • fruits are oily fleshed
  • each fruit has a single large stone

Bloom Time

  • July-August


  • grows in lightly wooded, rocky areas


You can confuse the Olive tree with other Oleaceae



Medicine Uses

Parts Used

Fruit, oil, leaf


demulcent, emollient, antiseptic, astringent, febrifuge, antioxidant, cholagogue, hypotensive, hypocholesterolaemic, laxative



  • alleviates inflamed and irritated conditions such as indigestion, heartburn, gastritis, colitis and peptic ulcers
  • stimulates bile flow
  • helps in liver and gall bladder issues
  • alternating with lemon juice, helps to dissolve and encourage the passing of gallstones
  • helpful in diabetes; leaves lower blood sugar
  • oil is useful as a laxative


  • lowers harmful cholesterol and blood pressure
  • reduces risks of atherosclerosis, clots, heart attacks and strokes
  • mitigates hypertension
  • increases sweating and reduces fever, taken as hot infusion

Respiratory system

Immune system

  • protects cell membranes against free radicals
  • retards ageing
  • reduces development of cancer


  • To speed healing, apply to boils, eczema, cold sores, dry skin, brittle nails, insect bites, stings and minor burns
  • warm oil dropped into the ear softens wax
  • oil, mixed with essential oils such as garlic or lavender, relieves earache
  • massage over kidneys for bedwetting treatment
  • mouthwash with an leaves infusion heals bleeding/infected gums
  • use infusion as gargle for sore throats





  • gather the leaves by cutting the stem to encourage new growth. Do not uproot the olive leaves wherever possible
  • hang the stems upside down in a brown paper bag
  • tie off the bag opening with a rubber band or piece of string
  • hang your paper bag in a space for drying
  • let dry for one to two weeks
  • cut off the stems from the leaves. Some of the leaves may drop naturally from the stems as they dry in the bag


  • gather the fruits when they are completely ripe (October-December)
  • put the fruits in clean water
  • change water every other day for 2 weeks
  • move the fruits in salted water

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