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Pinus nigra
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Pinus nigra
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{{Short description|Species of conifer}}{{Speciesbox| name = European black pine| image = Forest in Bulgaria near Dundukovo dam.jpg| image_caption = Pinus nigra subsp. nigra, Bulgaria| status = LC| status_system = IUCN3.1- the content below is remote from Wikipedia
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TITLE=PINUS NIGRA | PAGE=E.T42386A2976817 | ACCESS-DATE=19 NOVEMBER 2021, | genus = Pinus| display_parents = 3| parent = Pinus subsect. Pinus| species = nigra| authority = J.F.Arnold| range_map = Pinus nigra map.png| range_map_caption = 1: Pinus nigra subsp. nigra (1a: var. nigra, 1b: var. pallasiana, 1c: var. caramanica).2: Pinus nigra subsp. salzmannii (2a: var. salzmannii, 2b: var. corsicana, 2c: var. mauretanica)}}Pinus nigra, the Austrian pine{{PLANTS|id=PINI|taxon=Pinus nigra|access-date=4 October 2015}} or black pine, is a moderately variable species of pine, occurring across Southern Europe from the Iberian PeninsulaWEB,jb.utad.pt/especie/Pinus_nigra, Jardim Botânico UTAD | Espécie Pinus nigra, Jb.utad.pt, to the eastern Mediterranean, on the Anatolian peninsula of Turkey, Corsica and Cyprus, as well as Crimea and in the high mountains of Northwest Africa.DescriptionPinus nigra is a large coniferous evergreen tree, growing to {{convert|20|-|55|m|abbr=off}} high at maturity and spreading to {{Convert|6 to 12|m|abbr=on}} wide. The bark is gray to yellow-brown, and is widely split by flaking fissures into scaly plates, becoming increasingly fissured with age. The leaves (’needles’) are thinner and more flexible in western populations.{{Citation needed|date=April 2021}}The ovulate and pollen cones appear from May to June. The mature seed cones are {{Convert|5â10|cm|abbr=off|frac=4}} (rarely to 11 cm) long, with rounded scales; they ripen from green to pale gray-buff or yellow-buff in September to November, about 18 months after pollination. The seeds are dark gray, {{Convert|6â8|mm|frac=16}} long, with a yellow-buff wing {{Convert|20â25|mm|abbr=on|frac=8}} long; they are wind-dispersed when the cones open from December to April. maturity is reached at 15â40 years; large seed crops are produced at 2â5 year intervals.{{Citation needed|date=April 2021}}Pinus nigra is moderately fast growing, at about {{convert|30|-|70|cm|abbr=on}} per year. It usually has a rounded conic form, that becomes irregular with age. The tree can be long-lived, with some trees over 500 years old. Multiple pests can damage P. nigra, including T. piniperda.{{Gallery | Pollen cones | Foliage and cone of subsp. nigra | Bark of subsp. laricio | Pinus nigra }}TaxonomyThe species is divided into two subspecies, each further subdivided into three varieties.Gymnosperm Database: Pinus nigraChristensen, K. I. (1993). Comments on the earliest validly published varietal name for the Corsican Pine. Taxon 42: 649-653. Some authorities (e.g. Flora Europaea) treat several of the varieties at subspecific rank, but this reflects tradition rather than sound taxonomy, as the distinctions between the taxa are small.Farjon, A. (2005). Pines Drawings and Descriptions of the Genus Pinus 2nd ed. Brill {{ISBN|90-04-13916-8}}.
Distribution and habitatPinus nigra is a tree of the Mediterranean forests, woodlands, and scrub biome. The majority of the range is in Turkey. It is found in the higher elevations of the South Apennine mixed montane forests ecoregion in southern Italy and the Tyrrhenian-Adriatic sclerophyllous and mixed forests ecoregion in Sicily. There are remnant populations in the Mediterranean conifer and mixed forests ecoregion, and in the higher Atlas Mountains in Morocco and Algeria.{{Citation needed|date=April 2021}}It is found at elevations ranging from sea level to {{convert|2000|m|abbr=on}}, most commonly from {{convert|250|-|1600|m|abbr=on}}. Several of the varieties have distinct English names.Rushforth, K. (1987). Conifers. Helm {{ISBN|0-7470-2801-X}}.It needs full sun to grow well, is intolerant of shade, and is resistant to snow and ice damage.{{Citation needed|date=April 2021}}It has naturalized in parts of the midwestern states of the United States, {{clarify|text=normally south of the normal native ranges of native pines.|Normally normal native native what?|date=November 2022}}{{Citation needed|date=April 2021}}Ecology(File:Bonsai Crni bor na izložbi u Äakovcu.jpg|thumb|upright|Bonsai Pinus nigra)In Mediterranean Europe and the Anatolian Peninsula (Asia Minor), trees usually associated with this species include Scots pine (Pinus sylvestris), Serbian spruce (Picea omorika), Bosnian pine (Pinus heldreichii), Norway spruce (Picea abies), Taurus cedar (Cedrus libani), European silver fir (Abies alba) and related firs. Several species of juniper (Juniperus spp.), and various broadleaf trees are associates.{{Citation needed|date=April 2021}}Climate and provenancePinus nigra is a light-demanding species, intolerant of shade but resistant to wind and drought.{{citation |author1=Isajev, V. |author2=Fady, B. |author3=Semerci, H. |author4=Andonovski, V. |title=European Black pine - Pinus nigra: Technical guidelines for genetic conservation and use|date=2004|url=http://www.euforgen.org/fileadmin//templates/euforgen.org/upload/Publications/Technical_guidelines/1035_Technical_guidelines_for_genetic_conservation_and_use_for_European_black_pine__Pinus_nigra_.pdf |publisher=European Forest Genetic Resources Programme}}The eastern P. nigra subsp. nigra exhibits greater winter frost hardiness (hardy to below â30 °C) than the western P. nigra subsp. salzmannii (hardy to about â25 °C).Different provenances (seed sources by geographic area) or varieties are adapted to different soil types: Austrian and Pyrenees origins grow well on a wide range of soil types, Corsican origins grows poorly on limestone, while Turkish and Crimean origins grow well on limestone. Most provenances also show good growth on podzolic soils.{{Citation needed|date=April 2021}}As an invasive speciesFile:Crepuscular rays in the woods of Kasterlee, Belgium.jpg|right|thumb|300px|Pinus nigra var. corsicanaâCorsican pine plantation, in BelgiumBelgiumPinus nigra has become naturalised in a few areas of the US. In New Zealand it is considered an invasive species and noxious weed, along with lodgepole pine (P. contorta) and Scots pine (P. sylvestris), due to their habitat conversion nature in tussock grassland plant communities, shading out the native bunch grasses as their forest canopy develops.{{Citation needed|date=April 2021}}UsesLumberThe timber of European black pine is similar to that of Scots pine (P. sylvestris) and red pine (P. resinosa), being moderately hard and straight-grained. It does however tend to be rougher, softer, and not as strong, due to its faster growth. It is used for general construction, fuel, and in paper manufacture.{{Citation needed|date=April 2021}}In the United Kingdom, Pinus nigra is important both as a timber tree and in plantations (primarily Corsican pine subsp.). Recently however, serious problems have occurred with red band needle blight disease, caused by the fungus Dothistroma septosporum, resulting in a major recent decline in forestry planting there.Forestry Commission: Red band needle blight In the United States it is of low importance as a timber species.{{Citation needed|date=April 2021}}In regard to Austrian pine, the fungus Dothistroma septosporum is widespread and rapidly spreading out of control throughout the United States. It is out of control and not recommended for landscaping, especially in groups or rows.{{Citation needed|date=September 2019}}Ethnobotanical and ethnomedicinal useIn Turkey, this pine (subsp. pallasiana) was and is used in various ways, both topically and internally, as well as for construction and for livestock. Among its uses are curing acne, common cold, osteomyelitis, and viral infections; acting as an oral antiseptic; treating cracked hands and feet in the winter; and sealing wooden roofs.{{Citation needed|date=April 2021}}Ornamental useIn the US and Canada, the European black pine is planted as a street tree, and as an ornamental tree in gardens and parks. Its value as a street tree is largely due to its resistance to salt spray (from road de-icing salt) and various industrial pollutants (including ozone), and its intermediate drought tolerance. In the UK the tree is planted as an ornamental tree in parks and gardens. It is planted with great success as far north as Edmonton, Alberta, Canada.WEB,davesgarden.com/guides/pf/showimage/386874/, PlantFiles Pictures: Pinus Species, Austrian Pine, Black Pine, Corsican Pine, European Black Pine (Pinus nigra), Davesgarden.com, 24 March 2022, In both the US and UK most of the specimens planted are from Austrian sources, the P. nigra subsp. nigra and P. nigra subsp. nigra var. nigra seed selections. In the late 1950s and early 1960s, when demand for natural trees was extremely high, its rapid growth, deep green color and low cost made it briefly a popular Christmas tree, but the extreme length of the needles (making it very difficult to decorate) soon led to its fall from favor, and it has long since been abandoned in the US for that purpose.{{Citation needed|date=April 2021}}P. nigra is planted for windbreaks and shelterbelts in the US, recommended for windbreaks in the Northern Great Plains on medium to deep moist or upland soils.{{Citation needed|date=April 2021}}References{{Reflist}}External links{{Commons category|Pinus nigra|position=left}}{{Taxonbar|from=Q145954}}{{Authority control}} |
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