''Cedrus'', common English name cedar, is a genus of
conifer
Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...
ous
tree
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
s in the plant family
Pinaceae
The Pinaceae, or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as Cedrus, cedars, firs, Tsuga, hemlocks, larches, pines and spruces. The family is included in the order Pinales, ...
(subfamily Abietoideae). They are
native
Native may refer to:
People
* Jus soli, citizenship by right of birth
* Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory
** Native Americans (disambiguation)
In arts and entert ...
to the mountains of the western
Himalayas
The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...
and the
Mediterranean region
In biogeography, the Mediterranean Basin (; also known as the Mediterranean Region or sometimes Mediterranea) is the region of lands around the Mediterranean Sea that have mostly a Mediterranean climate, with mild to cool, rainy winters and wa ...
, occurring at altitudes of 1,500–3,200 m in the Himalayas and 1,000–2,200 m in the Mediterranean.
[Farjon, A. (1990). ''Pinaceae. Drawings and Descriptions of the Genera''. Koeltz Scientific Books .]
Description
![Cedrus atlantica2](https://upload.wikimedia.org/wikipedia/commons/0/06/Cedrus_atlantica2.jpg)
''Cedrus'' trees can grow up to 30–40 m (occasionally 60 m) tall with spicy-resinous scented
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 th ...
, thick ridged or square-cracked
bark, and broad, level branches. The shoots are dimorphic and are made up of long shoots, which form the framework of the branches, and short shoots, which carry most of the leaves. The
leaves
A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...
are
evergreen
In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
and needle-like, 8–60 mm long, arranged in an open spiral
phyllotaxis
In botany, phyllotaxis () or phyllotaxy is the arrangement of leaf, leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature.
Leaf arrangement
The basic leaf#Arrangement on the stem, arrangements of leaves ...
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
A conifer cone (in formal botanical usage: strobilus, plural strobili) is a seed-bearing organ on gymnosperm plants. It is usually woody, ovoid to globular, including scales and bracts arranged around a central axis, especially in conifers an ...
are barrel-shaped, 6–12 cm long and 3–8 cm broad, green maturing grey-brown, and, as in
''Abies'', disintegrate at maturity to release the winged
seed
A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...
s. The seeds are 10–15 mm long, with a 20–30 mm wing; as in ''Abies'', the seeds have two or three resin blisters, containing an unpleasant-tasting
resin
In polymer chemistry and materials science, resin is a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic compounds. This article focuses on natu ...
, thought to be a defence against
squirrel
Squirrels are members of the family Sciuridae, a family that includes small or medium-size rodents. The squirrel family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrels. Squ ...
predation. Cone maturation takes one year, with pollination in autumn and the seeds maturing the same time a year later. The
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 gametophyt ...
cones are slender ovoid, 3–8 cm long, produced in late summer, and shedding pollen in autumn.
[Frankis, M. & Lauria, F. (1994). The maturation and dispersal of cedar cones and seeds. ''International Dendrology Society Yearbook'' 1993: 43–46.]
Taxonomy
Cedars share a very similar cone structure with the firs (''Abies'') and were traditionally thought to be most closely related to them, but molecular evidence supports a basal position in the family.[Liston A., D.S. Gernandt, T.F. Vining, C.S. Campbell, D. Piñero. 2003. "Molecular Phylogeny of Pinaceae and Pinus". In Mill, R. R. (ed.): ''Proceedings of the 4th Conifer Congress. Acta Hort'' 615: pp. 107-114.][Wang, X.-Q., Tank, D. C. and Sang, T. (2000): "Phylogeny and Divergence Times in Pinaceae: Evidence from Three Genomes". ''Molecular Biology and Evolution'' 17:773-781. Availabl]
online
Taxa
The five taxa
In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular nam ...
of ''Cedrus'' are assigned according to taxonomic
Taxonomy is the practice and science of categorization or classification.
A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...
opinion to between one and four species:[Farjon, A. (2008). ''A Natural History of Conifers''. Timber Press .] The oldest known fossil of ''Cedrus'' is ''Cedrus penzhinaensis'' known from fossil wood found in Early Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
(Albian
The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous Epoch/Series. Its approximate time range is 113.0 ± 1.0 Ma to 100.5 ± 0.9 M ...
) sediments of Kamchatka
The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and wes ...
, Russia.
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 and occasional winter snowfall.[ While no members of ''Cedrus'' are native to the Americas, members of ''Juniperus'' and ]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, subdio ...
are native and called by the common name of "cedar".
Cedars are used as food plants by the larva
A larva (; plural larvae ) 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.
The ...
e of some Lepidoptera
Lepidoptera ( ) is an order (biology), order of insects that includes butterfly, butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 Family (biology), families and 46 Taxonomic r ...
species including pine processionary
The pine processionary (''Thaumetopoea pityocampa'') is a moth of the subfamily Thaumetopoeinae in the family Notodontidae, known for the irritating hairs of its caterpillars, their processions, and the economic damage they cause in coniferous ...
and turnip moth
''Agrotis segetum'', sometimes known as the turnip moth, is a moth of the family Noctuidae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is a common European species and it is found in Africa and across ...
(recorded on deodar cedar).
Use
Cedars are very popular ornamental tree
Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that i ...
s, and are often cultivated in temperate
In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...
climate
Climate is the long-term weather pattern in an area, typically averaged over 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years. Some of the meteorologic ...
s where winter temperatures do not fall below circa −25 °C. The Turkish cedar is slightly hardier, to −30 °C or just below. Extensive mortality of planted specimens can occur in severe winters when temperatures fall lower.[Ødum, S. (1985). "Report on frost damage to trees in Denmark after the severe 1981/82 and 1984/85 winters". Hørsholm Arboretum, Denmark.] Locales with successful longaeval cultivation include the Mediterranean region, western Europe north to the British Isles
The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...
, southern Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
and New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
, and southern and western North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
.
Cedar wood and cedarwood oil are natural repellents to moths, hence cedar is a popular lining for cedar chests and closets in which woolen
Woolen (American English) or woollen (Commonwealth English) 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. Woolen yarn is in contrast t ...
s are stored. This specific use of cedar is mentioned in ''The Iliad
The ''Iliad'' (; grc, Ἰλιάς, Iliás, ; "a poem about Ilium") is one of two major ancient Greek epic poems attributed to Homer. It is one of the oldest extant works of literature still widely read by modern audiences. As with the ''Odysse ...
'', Book 24, referring to the cedar-roofed or lined storage chamber where Priam went to fetch treasures to be used as ransom. The ancients made cedarwood oil from Lebanon cedar
''Cedrus libani'', the cedar of Lebanon or Lebanese cedar (), is a species of tree in the genus cedrus, a part of the pine family, native to the mountains of the Eastern Mediterranean basin. It is a large evergreen conifer that has great religi ...
, a true cedar of the genus ''Cedrus'', However, the species used for modern cedar chests and closets in North America is ''Juniperus virginiana
''Juniperus virginiana'', also known as red cedar, eastern red cedar, Virginian juniper, eastern juniper, red juniper, and other local names, is a species of juniper native to eastern North America from southeastern Canada to the Gulf of Mexico a ...
'', and cedarwood oil is now typically derived from various junipers
Junipers are coniferous trees and shrubs in the genus ''Juniperus'' () of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere, from the Arcti ...
and cypresses
Cypress is a common name for various coniferous trees or shrubs of northern temperate regions that belong to the family Cupressaceae. The word ''cypress'' is derived from Old French ''cipres'', which was imported from Latin ''cypressus'', the la ...
(of the 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, subdio ...
''). Cedar is also commonly used to make shoe trees
A shoe tree is a device approximating the shape of a foot that is placed inside a shoe to preserve its shape, stop it from developing creases, and thereby extend the life of the shoe.
Perhaps more important than maintaining the shape, shoe trees ...
because it can absorb moisture and deodorize.
Many species of cedar are suitable for training as bonsai
Bonsai ( ja, 盆栽, , tray planting, ) is the Japanese art of growing and training miniature trees in pots, developed from the traditional Chinese art form of ''penjing''. Unlike ''penjing'', which utilizes traditional techniques to produce ...
. They work well for many styles, including formal and informal upright, slanting, and cascading.
Nomenclature
Some authorities consider ''Cedrus'' the only "true cedars" and discourage use of the name for other genera without an additional qualifier, such as "white-cedar".[Kelsey, H. P., & Dayton, W. A. (1942). ''Standardized Plant Names'', second edition. American Joint Committee on Horticultural Nomenclature. Horace McFarland Company, Harrisburg, Pennsylvania.] Nevertheless, the name "cedar" has been applied (since about 1700[) to other trees, such as the North American '']Thuja plicata
''Thuja plicata'' is an evergreen coniferous tree in the cypress family Cupressaceae, native to western North America. Its common name is western redcedar (western red cedar in the UK), and it is also called Pacific redcedar, giant arborvitae, w ...
'', commonly called "western red cedar", and ''Juniperus virginiana
''Juniperus virginiana'', also known as red cedar, eastern red cedar, Virginian juniper, eastern juniper, red juniper, and other local names, is a species of juniper native to eastern North America from southeastern Canada to the Gulf of Mexico a ...
'', commonly called "red cedar" or "eastern red cedar". In some cases, the botanical name alludes to this usage, such as the genus ''Calocedrus
''Calocedrus'', the incense cedar (alternatively spelled incense-cedar), is a genus of coniferous trees in the cypress family Cupressaceae first described as a genus in 1873. It is native to East Asia, eastern Asia and western North America.
Th ...
'', meaning "beautiful cedar" (also known as "incense cedar"). Several species of genera ''Calocedrus
''Calocedrus'', the incense cedar (alternatively spelled incense-cedar), is a genus of coniferous trees in the cypress family Cupressaceae first described as a genus in 1873. It is native to East Asia, eastern Asia and western North America.
Th ...
'', ''Thuja
''Thuja'' ( ) is a genus of coniferous tree or shrub in the Cupressaceae (cypress family). There are five species in the genus, two native to North America and three native to eastern Asia. The genus is monophyletic and sister to ''Thujopsis''. M ...
'', and ''Chamaecyparis
''Chamaecyparis'', common names cypress or false cypress (to distinguish it from related cypresses), is a genus of conifers in the cypress family Cupressaceae, native to eastern Asia (Japan and Taiwan) and to the western and eastern margins of th ...
'' in the Pacific Northwest
The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though ...
having similarly aromatic wood are referred to as "false cedars" .
Etymology
Both the Latin word ''cedrus'' and the generic name ''cedrus'' are derived from Greek
Greek may refer to:
Greece
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group.
*Greek language, a branch of the Indo-European language family.
**Proto-Greek language, the assumed last common ancestor ...
κέδρος ''kédros''. Ancient Greek and Latin used the same word, ''kédros'' and ''cedrus'', respectively, for different species of plants now classified in the genera ''Cedrus'' and ''Juniperus'' (juniper
Junipers are coniferous trees and shrubs in the genus ''Juniperus'' () of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere, from the Arcti ...
). Species of both genera are native to the area where Greek language and culture originated, though as the word ''kédros'' does not seem to be derived from any of the languages of the Middle East
The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Pro ...
, 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.[Meiggs, R. 1982. Trees and Timber in the Ancient Mediterranean World.] The name was similarly applied to citron
The citron (''Citrus medica''), historically cedrate, is a large fragrant citrus fruit with a thick rind. It is said to resemble a 'huge, rough lemon'. It is one of the original citrus fruits from which all other citrus types developed throu ...
and the word citrus
''Citrus'' is a genus of flowering plant, flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as Orange (fruit), oranges, Lemon, lemons, grapefruits, pomelos, and lim ...
is derived from the same root.[Andrews, A. C. 1961. Acclimatization of citrus fruits in the Mediterranean region. ''Agricultural History'' 35: 35–46.] However, as a loan word in English, cedar had become fixed to its biblical
The Bible (from Koine Greek , , 'the books') is a collection of religious texts or scriptures that are held to be sacred in Christianity, Judaism, Samaritanism, and many other religions. The Bible is an anthologya compilation of texts of a ...
sense of ''Cedrus'' by the time of its first recorded usage in AD 1000.['']Oxford English Dictionary
The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a com ...
''.
See also
* List of plants known as cedar
Cedar is part of the English common name of many trees and other plants, particularly those of the genus ''Cedrus''.
Some botanical authorities consider the Old-World ''Cedrus'' the only "true cedars". Many other species worldwide with similarl ...
* Cedars of God
The Cedars of God ( ar, أرز الربّ ''Arz al-Rabb'' "Cedars of God"), located in the Kadisha Valley of Bsharre, Lebanon, are one of the last vestiges of the extensive forests of the Lebanon cedar that thrived across Mount Lebanon in antiqui ...
in the Kadisha Valley
Kadisha Valley ( ar, وادي قاديشا), also romanized as the Qadisha Valley and also known as the Kadisha Gorge or Wadi Kadisha (french: Ouadi Qadisha), is a gorge that lies within the Bsharri and Zgharta Districts of the North Governora ...
of Bsharri
Bsharri ( ar, بشرّي ''Bšarrī''; syr, ܒܫܪܝ; also Romanized ''Becharre'', ''Bcharre'', ''Bsharre'', (''Bcharre El Arez بشرّي الارز'') is a town at an altitude of about to . It is located in the Bsharri District of the Nort ...
, Lebanon
Lebanon ( , ar, لُبْنَان, translit=lubnān, ), officially the Republic of Lebanon () or the Lebanese Republic, is a country in Western Asia. It is located between Syria to the north and east and Israel to the south, while Cyprus li ...
References
External links
Cedar of Meudon
A tree in Meudon near Paris, France that has fascinated people through time
{{Authority control
Conifer genera
Ornamental trees
Plants used in bonsai
Wood