Cedar
Encyclopedia
Cedrus is a genus of coniferous tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

s in the plant
Plant
Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...

 family Pinaceae
Pinaceae
Pinaceae are trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales. Pinaceae are supported as monophyletic by its protein-type sieve...

. They are native to the mountain
Mountain
Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

s of the western Himalaya and the Mediterranean region, occurring at altitudes of 1,500–3,200 m in the Himalaya and 1,000–2,200 m in the Mediterranean.

Description

Cedars are trees up to 30–40 m (occasionally 60 m) tall with spicy-resinous scented wood
Wood
Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...

, thick ridged or square-cracked bark
Bark
Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines and shrubs. Bark refers to all the tissues outside of the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner...

, and broad, level branches. The shoots are dimorphic, with long shoots, which form the framework of the branches, and short shoots, which carry most of the leaves. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are evergreen
Evergreen
In botany, an evergreen plant is a plant that has leaves in all seasons. This contrasts with deciduous plants, which completely lose their foliage during the winter or dry season.There are many different kinds of evergreen plants, both trees and shrubs...

 and needle-like, 8–60 mm long, arranged in an open spiral phyllotaxis
Phyllotaxis
In botany, phyllotaxis or phyllotaxy is the arrangement of leaves on a plant stem .- Pattern structure :...

 on long shoots, and in dense spiral clusters of 15–45 together on short shoots; they vary from bright grass-green to dark green to strongly glaucous pale blue-green, depending on the thickness of the white wax layer which protects the leaves from desiccation. The seed cones
Conifer cone
A cone is an organ on plants in the division Pinophyta that contains the reproductive structures. The familiar woody cone is the female cone, which produces seeds. The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity...

 are barrel-shaped, 6–12 cm long and 3–8 cm broad, green maturing grey-brown, and, as in Abies
Fir
Firs are a genus of 48–55 species of evergreen conifers in the family Pinaceae. They are found through much of North and Central America, Europe, Asia, and North Africa, occurring in mountains over most of the range...

, disintegrate at maturity to release the winged seed
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

s. The seeds are 10–15 mm long, with a 20–30 mm wing; as in Abies, the seeds have 2–3 resin blisters, containing an unpleasant-tasting resin
Resin
Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. Resins are valued for their chemical properties and associated uses, such as the production of varnishes, adhesives, and food glazing agents; as an important source of raw materials...

, thought to be a defence against squirrel
Squirrel
Squirrels belong to a large family of small or medium-sized rodents called the Sciuridae. The family includes tree squirrels, ground squirrels, chipmunks, marmots , flying squirrels, and prairie dogs. Squirrels are indigenous to the Americas, Eurasia, and Africa and have been introduced to Australia...

 predation. Cone maturation takes one year, with pollination in autumn and the seeds maturing the same time a year later. The pollen
Pollen
Pollen is a fine to coarse powder containing the microgametophytes of seed plants, which produce the male gametes . Pollen grains have a hard coat that protects the sperm cells during the process of their movement from the stamens to the pistil of flowering plants or from the male cone to the...

 cones are slender ovoid, 3–8 cm long, produced in late summer and shedding pollen in autumn.

Taxonomy

Cedars share a very similar cone structure with the fir
Fir
Firs are a genus of 48–55 species of evergreen conifers in the family Pinaceae. They are found through much of North and Central America, Europe, Asia, and North Africa, occurring in mountains over most of the range...

s (Abies) and were traditionally thought to be most closely related to them, but molecular evidence supports a basal position in the family.

There are five taxa
Taxon
|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...

 of Cedrus, assigned according to taxonomic
Taxonomy
Taxonomy is the science of identifying and naming species, and arranging them into a classification. The field of taxonomy, sometimes referred to as "biological taxonomy", revolves around the description and use of taxonomic units, known as taxa...

 opinion to between one and four different species.:
  • Deodar or Deodar Cedar, C. deodara (syn. C. libani subsp. deodara). Western Himalaya. Leaves bright green to pale glaucous green, 25–60 mm; cones with slightly ridged scales.
  • Lebanon Cedar
    Lebanon Cedar
    Cedrus libani is a species of cedar native to the mountains of the Mediterranean region.There are two distinct types that are considered to be different subspecies or varieties. Lebanon cedar or Cedar of Lebanon Cedrus libani is a species of cedar native to the mountains of the Mediterranean...

    or Cedar of Lebanon C. libani. Mountains of the Mediterranean region, from Turkey and Lebanon west to Morocco. Cones with smooth scales; two subspecies:
    • Lebanon Cedar
      Lebanon Cedar
      Cedrus libani is a species of cedar native to the mountains of the Mediterranean region.There are two distinct types that are considered to be different subspecies or varieties. Lebanon cedar or Cedar of Lebanon Cedrus libani is a species of cedar native to the mountains of the Mediterranean...

      C. libani subsp. libani. Mountains of Lebanon
      Lebanon
      Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...

      , western Syria
      Syria
      Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

       and south-central Turkey
      Turkey
      Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

      . Leaves dark green to glaucous blue-green, 10–25 mm.
    • Turkish Cedar C. libani subsp. stenocoma. Mountains of southwest Turkey
      Turkey
      Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

      . Leaves glaucous blue-green, 8–25 mm.
  • Cyprus Cedar
    Cyprus Cedar
    The Cyprus Cedar is a species of conifer in the genus Cedrus. It is native to the Troödos Mountains of central Cyprus. It grows in the Pafos State Forest....

    C. brevifolia (syn. C. libani subsp. brevifolia, C. libani var. brevifolia). Mountains of Cyprus
    Cyprus
    Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

    . Leaves glaucous blue-green, 8–20 mm.
  • Atlas Cedar
    Atlas Cedar
    Cedrus atlantica, the Atlas Cedar, is a cedar native to the Atlas Mountains of Algeria and Morocco . A majority of the modern sources treat it as a distinct species Cedrus atlantica, but some sources consider it a subspecies of Lebanon Cedar Cedrus atlantica, the Atlas Cedar, is a cedar native to...

    C. atlantica (syn. C. libani subsp. atlantica). Atlas mountains
    Atlas Mountains
    The Atlas Mountains is a mountain range across a northern stretch of Africa extending about through Morocco, Algeria, and Tunisia. The highest peak is Toubkal, with an elevation of in southwestern Morocco. The Atlas ranges separate the Mediterranean and Atlantic coastlines from the Sahara Desert...

     in Morocco
    Morocco
    Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

     & Algeria
    Algeria
    Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...

    . Leaves dark green to glaucous blue-green, 10–25 mm.


Ecology

Cedars are adapted to mountainous climates; in the Mediterranean they receive winter precipitation, mainly as snow, and summer drought, while in the western Himalaya, they receive primarily summer monsoon rainfall.

Cedars are used as food plants by the larva
Larva
A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle...

e of some Lepidoptera
Lepidoptera
Lepidoptera is a large order of insects that includes moths and butterflies . It is one of the most widespread and widely recognizable insect orders in the world, encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies...

 species including Pine Processionary
Pine Processionary
The Pine Processionary is a moth of the family Thaumetopoeidae. It is sometimes placed in the genus Traumatocampa. It is an abundant species of pine woods in central and southern Europe....

 and Turnip Moth
Turnip Moth
The Turnip Moth is a moth of the family Noctuidae. It is a common European species, but it is also found in Asia and Africa, very likely having been spread by the international trade in nursery stock...

 (recorded on Deodar Cedar).

Uses

Cedars are very popular ornamental trees, widely used in horticulture
Horticulture
Horticulture is the industry and science of plant cultivation including the process of preparing soil for the planting of seeds, tubers, or cuttings. Horticulturists work and conduct research in the disciplines of plant propagation and cultivation, crop production, plant breeding and genetic...

 in temperate
Temperate
In geography, temperate or tepid latitudes of the globe lie between the tropics and the polar circles. The changes in these regions between summer and winter are generally relatively moderate, rather than extreme hot or cold...

 climate
Climate
Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, rainfall, atmospheric particle count and other meteorological elemental measurements in a given region over long periods...

s where winter temperatures do not fall below about −25 °C. The Turkish Cedar is slightly hardier, to −30 °C or just below. Extensive mortality of planted specimens can occur in severe winters where temperatures do drop lower. Areas with successful long-term cultivation include the entire Mediterranean region, western Europe north to the British Isles, southern Australia and New Zealand, and southern and western North America.

Cedar wood and cedar oil are known to be a natural repellent to moth
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

s, hence cedar is a popular lining for modern-day cedar chests
Hope chest
A hope chest, dowry chest, cedar chest, or glory box is a chest used to collect items such as clothing and household linen, by unmarried young women in anticipation of married life....

 and closets in which woolen
Woolen
Woolen or woollen is a type of yarn made from carded wool. Woolen yarn is soft, light, stretchy, and full of air. It is thus a good insulator, and makes a good knitting yarn...

s are stored. This specific use of cedar is mentioned in The Iliad (Book 24), referring to the cedar-roofed or lined storage chamber where Priam goes to fetch treasures to be used as ransom. Cedar is also commonly used to make shoe trees as it can absorb moisture and de-odorise.

Timber of trees with similar names such as Western Red Cedar is frequently confused with genuine cedar.

The Cedar of Lebanon and to a lesser extent the Deodar have local cultural importance.

Etymology

Both the Latin words cedrus and the generic name cedrus are derived from the Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 'kedros'. Ancient Greek and Latin used the same word, kedros and cedrus respectively, for different species of plants now classified in the genera Cedrus and Juniperus (juniper
Juniper
Junipers are coniferous plants in the genus Juniperus of the cypress family Cupressaceae. Depending on taxonomic viewpoint, there are between 50-67 species of juniper, widely distributed throughout the northern hemisphere, from the Arctic, south to tropical Africa in the Old World, and to the...

). Species of both genera are native to the area where Greek language and culture originated, though as the word "kedros" does not seem to be derived from any of the languages of the Middle East
Middle East
The Middle East is a region that encompasses Western Asia and Northern Africa. It is often used as a synonym for Near East, in opposition to Far East...

, it has been suggested the word may originally have applied to Greek species of juniper and was later adopted for species now classified in the genus Cedrus because of the similarity of their aromatic woods. The name was similarly applied to citron
Citron
Not to be confused with Cintron.The citron is a fragrant citrus fruit, botanically classified as Citrus medica by both the Swingle and Tanaka systems...

 and the word citrus
Citrus
Citrus is a common term and genus of flowering plants in the rue family, Rutaceae. Citrus is believed to have originated in the part of Southeast Asia bordered by Northeastern India, Myanmar and the Yunnan province of China...

is derived from the same root. However, as a loan word in English, cedar had become fixed to its biblical
Bible
The Bible refers to any one of the collections of the primary religious texts of Judaism and Christianity. There is no common version of the Bible, as the individual books , their contents and their order vary among denominations...

 sense of Cedrus by the time of its first recorded usage in AD
Anno Domini
and Before Christ are designations used to label or number years used with the Julian and Gregorian calendars....

 1000.

The name "cedar" has more recently (since about 1700) been applied to many other trees with scented wood (in some cases with the botanical name alluding to this usage). Such usage is regarded by some authorities as a misapplication of the name to be discouraged.
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