''Juniperus communis'', the common juniper, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriat ...

of small tree or shrub in the cypress family

Cupressaceae Cupressaceae is a conifer family, the cypress family, with worldwide distribution. The family includes 27–30 genera (17 monotypic), which include the junipers and redwoods, with about 130–140 species in total. They are monoecious, subdioeci ...

. An evergreen

conifer Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All ext ...

, it has the largest geographical range of any

woody plant A woody plant is a plant that produces wood as its structural tissue and thus has a hard stem. In cold climates, woody plants further survive winter or dry season above ground, as opposite to herbaceous plants that die back to the ground until sp ...

, with a

circumpolar distribution A circumpolar distribution is any range of a taxon that occurs over a wide range of longitudes but only at high latitudes; such a range therefore extends all the way around either the North Pole or the South Pole. Taxa that are also found in isola ...

throughout the cool temperate

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

Description

''Juniperus communis'' is very variable in form, ranging from —rarely —tall to a low, often

prostrate Prostrate may refer to:- *Prostration, a position of submission in religion etc. *Prone position, a face-down orientation of the body *Prostrate shrub A prostrate shrub is a woody plant, most of the branches of which lie upon or just above the ...

spreading

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from tree ...

in exposed locations. It has needle-like

leaves A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...

in whorls of three; the leaves are green, with a single white

stoma In botany, a stoma (from Greek ''στόμα'', "mouth", plural "stomata"), also called a stomate (plural "stomates"), is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bo ...

tal band on the inner surface. It never attains the scale-like adult foliage of other members of the genus. It is

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproducti ...

, with male and female cones (both of which are

wind pollinated Anemophily or wind pollination is a form of pollination whereby pollen is distributed by wind. Almost all gymnosperms are anemophilous, as are many plants in the order Poales, including grasses, sedges, and rushes. Other common anemophilous plan ...

) on separate plants. The male cones are yellow, long, and fall soon after shedding their

pollen Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametop ...

in March–April. The fruit are

berry A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit, although many pips or seeds may be present. Common examples are strawberries, rasp ...

-like cones known as

juniper berries A juniper berry is the female seed cone produced by the various species of junipers. It is not a true berry, but a cone with unusually fleshy and merged scales, which gives it a berry-like appearance. The cones from a handful of species, especia ...

. They are initially green, ripening in 18 months to purple-black with a blue waxy coating; they are spherical, diameter, and usually have three (occasionally six) fleshy fused scales, each scale with a single seed. The seeds are dispersed when birds eat the cones, digesting the fleshy scales and passing the hard, unwinged seeds in their droppings.Rushforth, K. (1987). ''Conifers''. Helm .Adams, R. P. (2004). ''Junipers of the World: The genus Juniperus''. Victoria: Trafford. .Arboretum de Villardebelle
''Juniperus''
/ref>

Chemistry

The juniper berry oil is composed largely of

monoterpene Monoterpenes are a class of terpenes that consist of two isoprene units and have the molecular formula C10H16. Monoterpenes may be linear (acyclic) or contain rings (monocyclic and bicyclic). Modified terpenes, such as those containing oxygen func ...

hydrocarbons such as

α-pinene α-Pinene is an organic compound of the terpene class, one of two isomers of pinene. It is an alkene and it contains a reactive four-membered ring. It is found in the oils of many species of many coniferous trees, notably the pine. It is also ...

myrcene Myrcene, or β-myrcene, is a monoterpene. A colorless oil, it occurs widely in essential oils. It is produced mainly semi-synthetically from ''Myrcia'', from which it gets its name. It is an intermediate in the production of several fragrances. � ...

sabinene Sabinene is a natural bicyclic monoterpene with the molecular formula C10H16. It is isolated from the essential oils of a variety of plants including Marjoram, holm oak (''Quercus ilex'') and Norway spruce (''Picea abies''). It has a strained ...

limonene Limonene is a colorless liquid aliphatic hydrocarbon classified as a cyclic monoterpene, and is the major component in the oil of citrus fruit peels. The -isomer, occurring more commonly in nature as the fragrance of oranges, is a flavoring a ...

and β-pinene.

Subspecies

As to be expected from the wide range, ''J. communis'' is very variable, with several infraspecific taxa; delimitation between the taxa is still uncertain, with genetic data not matching morphological data well.Flora Europaea
''Juniperus communis''
/ref>Adams, R. P., Pandey, R. N., Leverenz, J. W., Dignard, N., Hoegh, K., & Thorfinnsson, T. (2003). Pan-Arctic variation in Juniperus communis: Historical Biogeography based on DNA fingerprinting. ''Biochem. Syst. Ecol''. 31: 181–19
pdf file
.Adams, R. P., & Pandey, R. N. (2003). Analysis of Juniperus communis and its varieties based on DNA fingerprinting. ''Biochem. Syst. Ecol''. 31: 1271-1278
pdf file
Adams, R. P., & Nguyen, S. (2007). Post-Pleistocene geographic variation in Juniperus communis in North America. ''Phytologia'' 89 (1): 43–57
pdf file
Den Virtuella Floran: ''Juniperus communis'' distribution
/ref> *subsp. ''communis'' – Common juniper. Usually an erect shrub or small tree; leaves long; cones small, 5–8 mm, usually shorter than the leaves; found at low to moderate altitude in temperate climates **subsp. ''communis'' var. ''communis'' – Europe, most of northern Asia **subsp. ''communis'' var. ''depressa'' – North America,

Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primar ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

**subsp. ''communis'' var. ''hemisphaerica'' – Mediterranean mountains **subsp. ''communis'' var. ''nipponica'' – Japan (status uncertain, often treated as ''J. rigida'' var. ''nipponica'') *subsp. ''alpina'' – alpine juniper (syn. ''J. c.'' subsp. ''nana'', ''J. c.'' var. ''saxatilis'' Pallas, ''J. sibirica'' Burgsd.). Usually a prostrate ground-hugging shrub; leaves short, 3–8 mm; cones often larger, 7–12 mm, usually longer than the leaves; found in subarctic areas and high altitude alpine zones in temperate areas **subsp. ''alpina'' var. ''alpina'' – Greenland, Europe and Asia **subsp. ''alpina'' var. ''megistocarpa'' – Eastern Canada (doubtfully distinct from var. ''alpina'') **subsp. ''alpina'' var. ''jackii'' – Western North America (doubtfully distinct from var. ''alpina'') Some botanists treat subsp. ''alpina'' at the lower rank of variety, in which case the correct name is ''J. communis'' var. ''saxatilis'' Pallas, though the name ''J. communis'' var. ''montana'' is also occasionally cited; others, primarily in eastern Europe and Russia, sometimes treat it as a distinct species ''J. sibirica'' Burgsd. (syn. ''J. nana'' Willd., ''J. alpina'' S.F.Gray).

Distribution and habitat

The species has the largest geographical range of any

, with a

throughout the cool temperate

from the Arctic south in mountains to around 30°N latitude in North America, Europe and Asia. Relict populations can be found in the

Atlas Mountains The Atlas Mountains are a mountain range in the Maghreb in North Africa. It separates the Sahara Desert from the Mediterranean Sea and the Atlantic Ocean; the name "Atlantic" is derived from the mountain range. It stretches around through ...

of Africa. ''J. communis'' is one of

Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...

's longest established plants.

Cultivation

''Juniperus communis'' is cultivated in the

horticulture Horticulture is the branch of agriculture that deals with the art, science, technology, and business of plant cultivation. It includes the cultivation of fruits, vegetables, nuts, seeds, herbs, sprouts, mushrooms, algae, flowers, seaweeds and no ...

trade and used as an evergreen ornamental shrub in

garden A garden is a planned space, usually outdoors, set aside for the cultivation, display, and enjoyment of plants and other forms of nature. The single feature identifying even the wildest wild garden is ''control''. The garden can incorporate bot ...

s. The following

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...

s gained the

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nor ...

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

in 1993: * ''Juniperus communis'' 'Compressa' * ''Juniperus communis'' 'Green Carpet' (prostrate shrub) * ''Juniperus communis'' 'Hibernica' (Irish juniper) * ''Juniperus communis'' 'Repanda' (prostrate shrub)

Uses

Crafts

It is too small to have any general

lumber Lumber is wood that has been processed into dimensional lumber, including beams and planks or boards, a stage in the process of wood production. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, w ...

usage. In

Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and S ...

, however, juniper

wood Wood is a porous and fibrous structural tissue found in the stems and roots of trees and other woody plants. It is an organic materiala natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin ...

is used for making containers for storing small quantities of

dairy A dairy is a business enterprise established for the harvesting or processing (or both) of animal milk – mostly from cows or buffaloes, but also from goats, sheep, horses, or camels – for human consumption. A dairy is typically located on ...

products such as

butter Butter is a dairy product made from the fat and protein components of churned cream. It is a semi-solid emulsion at room temperature, consisting of approximately 80% butterfat. It is used at room temperature as a spread, melted as a condim ...

and

cheese Cheese is a dairy product produced in wide ranges of flavors, textures, and forms by coagulation of the milk protein casein. It comprises proteins and fat from milk, usually the milk of cows, buffalo, goats, or sheep. During productio ...

, and also for making wooden butter knives. It was also frequently used for trenails in wooden shipbuilding by shipwrights for its tough properties. In Estonia juniper wood is valued for its long lasting and pleasant aroma, very decorative natural structure of wood (growth rings) as well as good physical properties of wood due to slow growth rate of juniper and resulting dense and strong wood. Various decorative items (often eating utensils) are common in most Estonian handicraft shops and households. According to the old tradition, on

Easter Easter,Traditional names for the feast in English are "Easter Day", as in the '' Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samue ...

Monday Kashubian (Northern Poland) boys chase girls whipping their legs gently with juniper twigs. This is to bring good fortune in love to the chased girls. Juniper wood, especially burl wood, is frequently used to make knife handles for French pocketknives such as the Laguiole.

Culinary

Its

astringent An astringent (sometimes called adstringent) is a chemical that shrinks or constricts body tissues. The word derives from the Latin ''adstringere'', which means "to bind fast". Calamine lotion, witch hazel, and yerba mansa, a Californian pla ...

blue-black seed cones, commonly known as juniper berries, are too bitter to eat raw and are usually sold dried and used to flavour

meat Meat is animal flesh that is eaten as food. Humans have hunted, farmed, and scavenged animals for meat since prehistoric times. The establishment of settlements in the Neolithic Revolution allowed the domestication of animals such as chic ...

sauce In cooking, a sauce is a liquid, cream, or semi-solid food, served on or used in preparing other foods. Most sauces are not normally consumed by themselves; they add flavor, moisture, and visual appeal to a dish. ''Sauce'' is a French wor ...

s, and

stuffing Stuffing, filling, or dressing is an edible mixture, often composed of herbs and a starch such as bread, used to fill a cavity in the preparation of another food item. Many foods may be stuffed, including poultry, seafood, and vegetables. A ...

s. They are generally crushed before use to release their flavour. Since juniper berries have a strong taste, they should be used sparingly. They are generally used to enhance meat with a strong flavour, such as

game A game is a structured form of play, usually undertaken for entertainment or fun, and sometimes used as an educational tool. Many games are also considered to be work (such as professional players of spectator sports or games) or art (suc ...

, including game birds, or

tongue The tongue is a muscular organ in the mouth of a typical tetrapod. It manipulates food for mastication and swallowing as part of the digestive process, and is the primary organ of taste. The tongue's upper surface (dorsum) is covered by taste ...

. The cones are used to flavour certain beers and gin (the word "gin" derives from an Old French word meaning "juniper"). In

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bot ...

, juniper is used as a key ingredient in making

sahti Sahti is a Finnish type of farmhouse ale made from malted and unmalted grains including barley and rye. Traditionally the beer is flavored with juniper in addition to, or instead of, hops;

, a traditional Finnish ale. Also the Slovak alcoholic beverage

Borovička Borovička (; also known as Juniper brandy) is a Slovak alcoholic beverage flavoured with juniper berries. It is characterised by its clearhttp://www.alkoholy.wz.cz/alkoholy/B.htm (Slovak) or golden colour, and a taste similar to that of dry gi ...

and Dutch

Jenever Jenever (, ), also known as Hollands, genever, genièvre, peket, or sometimes as Dutch gin (archaic: Holland gin or Geneva gin), is the juniper-flavored traditional liquor in the Netherlands, Belgium and adjoining areas in northern France an ...

are flavoured with juniper berry or its extract. Juniper is used in the traditional farmhouse ales of Norway, Sweden, Finland, Estonia, and Latvia. In Norway, the beer is brewed with juniper infusion instead of water, while in the other countries the juniper twigs are mainly used as filters to prevent the crushed malts from clogging the outlet of the

lauter Lauter may refer to: People * Lauter (surname) Places *Lauter, Saxony, town in the district of Aue-Schwarzenberg, Saxony, Germany * Lauter, Bavaria, village in the district of Bamberg, Bavaria, Germany Rivers * Lauter (Baunach), tributary to th ...

tun. The use of juniper in farmhouse brewing has been common in much of northern Europe, seemingly for a very long time.

Traditional medicine

Juniper berries have long been used as medicine by many cultures including the

Navajo people The Navajo (; British English: Navaho; nv, Diné or ') are a Native American people of the Southwestern United States. With more than 399,494 enrolled tribal members , the Navajo Nation is the largest federally recognized tribe in the United ...

. Western American tribes combined the berries of ''J. communis'' with ''

Berberis ''Berberis'' (), commonly known as barberry, is a large genus of deciduous and evergreen shrubs from tall, found throughout temperate and subtropical regions of the world (apart from Australia). Species diversity is greatest in South Amer ...

'' root bark in a herbal tea. Native Americans also used juniper berries as a female

contraceptive Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent unwanted pregnancy. Birth control has been used since ancient times, but effective and safe methods of birth contr ...

Medicine

Juniper leaves were found to harbor fungi with potent anti-fungal compounds, including ibrexafungerp, which is now FDA approved to treat fungal infections.

References

External links

USDA: ''Juniperus communis'' Jepson Manual Treatment - ''Juniperus communis''''Juniperus communis'' - Photo Gallery

''Juniperus communis''
- information, genetic conservation units and related resources.

European Forest Genetic Resources Programme European Forest Genetic Resources Programme (EUFORGEN) is an international network that supports the conservation and sustainable use of forest genetic resources in Europe. The programme’s tasks include to coordinate and promote '' in situ'' an ...

(EUFORGEN) {{Authority control

communis ''Communis'' may refer to: Anatomy * Anulus tendineus communis or annulus of Zinn, a ring of fibrous tissue surrounding the optic nerve * Carotis communis, the common carotid artery * Extensor digitorum communis, a muscle of the posterior fore ...

Alpine flora Flora of North America Flora of Europe Flora of temperate Asia Flora of North Africa Dioecious plants Least concern plants Edible plants Plants used in traditional Native American medicine Plants described in 1753 Taxa named by Carl Linnaeus Garden plants of Asia Garden plants of Europe Garden plants of North America Flora of Greenland