Mountain Holly Benefits

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Winter would not be the same season without mountain holly and its bright red berries. Capercaillies, those big wild cocks of northern forests in Spain and Europe, blackbirds, and many other forest animals, count on these berries for their winter food. Therefore, the habit of using this plant as a Christmas decoration should disappear. The massive gatherings in December endanger the food source of many animals for which mountain holly is the only food during winter. In fact, in many European countries, this shrub is legally protected.

mountain holly plant leaves and berries

Mountain Holly Scientific Facts

  1. Scientific name: Ilex aquifolium L.
  2. Other names: Holly.
  3. French: Houx.
  4. Spanish: Acebo.
  5. Environment: Common in forests of chestnut and beech trees throughout Europe, though it also grows in mountainous, cold regions of North and South America. It is cultivated as an ornamental plant.
  6. Description: Shrub of the Aquifoliaceae family, growing from 1 to 5 m high, with evergreen, hard, spiny leaves which are dark green. Its small flowers, which grow in the axiles of the leaves, are white or pink. The fruits are red berries which last for the whole winter season.
  7. Parts of the plant used medicinally: The leaves.

Mountain Holly Healing Properties

The leaves of mountain holly contain ileicine, theobromine (a similar substance to caffeine, which is also found in cocoa), dextrose, ursolic and ilexic acids, rhutine, resins, and mineral salts (especially potassium and magnesium salts). Mountain holly leaves have the following properties, which are mainly caused by ileicine and theobromine:

Though without a scientific basis, the BARK of mountain holly has been used to prevent epileptic attacks. As a rule, mountain holly is seldom used as a medicinal plant since it demands a careful dosage, and even so, it can provoke nausea and gastric intolerance.


Mountain holly is a beautiful shrub whose red berries are highly poisonous. However, when correctly dosed, an infusion of its leaves is an effective antirheumatic and depurative herbal tea.

Mountain holly fruit, the red berries, are very poisonous. They produce intense nausea, vomiting, and diarrhea and can even cause death in large doses. Children are especially at risk of poisoning with these berries, which are a good meal for wild animals.

Appalachian Tea

There are similar species to mountain holly growing in America. Their appearance and active components are identical, and thus their medicinal properties are usually equal. Some of these species are, for instance, the Appalachian tea (Ilex cassine L.), which grows in the United States and Mexico.

Among others, there are also the oil weed or oil wood (Ilex theezans Mart.), which grows in Brazil and Paraguay, the yaupon (Ilex vomitoria Ait.); which grows in Mexico and the West Indies, and the Brazilian tree known as cauna (Ilex pseudobuxus Reiss.).

Another shrub growing in America is fever bush (Ilex veticillata [L.] Gray. = Prinos verticillatus L.) Due to its importance and unique features, the plant most widely known of those belonging to the Ilex genus is the yerba mate (Ilex paraguayensis St. Hill).

How to use Mountain Holly

  1. Decoction or infusion with 40 to 60 grams of leaves per liter of water. Drink up to three cups daily, sweetened with honey.


George D. Pamplona-Roger, M.D. “Encyclopedia of Medicinal Plants.” George D. Pamplona-Roger, M.D. Encyclopedia of Medicinal Plants. Ed. Francesc X. Gelabert. vols. 2 San Fernando de Henares: Editorial Safeliz, 2000. 672, 673. Print.

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