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conifer |
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conifer (kŏn`ĭfûr) [Lat.,=cone-bearing], tree or shrub of the order Coniferales, e.g., the pine ponderosa pine or western yellow pine (P. ponderosa), is a hard pine second only to the Douglas fir as a commercial timber tree in North America. The white pine (P. ..... Click the link for more information. , monkey-puzzle tree monkey-puzzle tree, evergreen tree (Araucaria araucana) native to Chile and widely cultivated elsewhere as an ornamental. The symmetrical branches have an unusual angularity and are completely covered by the stiff, overlapping leaves. ..... Click the link for more information. , cypress cypress, common name for members of the Cupressaceae, a widely distributed family of coniferous shrubs and trees, several yielding valuable timber. The major genera are Juniperus ( juniper ), Thuja ( arborvitae ), and Cupressus ..... Click the link for more information. , and sequoia sequoia (sĭkwoi`ə), name for the redwood (Sequoia sempervirens) and for the big tree, or giant sequoia ( ..... Click the link for more information. . Most conifers bear cones cone or strobilus (strŏb`ələs) ..... Click the link for more information. and most are evergreens, though a few, such as the larch larch, any tree of the genus Larix, conifers of the family Pinaceae ( pine family), which are unusual in that they are not evergreen. The various species are widely distributed in the Northern Hemisphere. ..... Click the link for more information. , are deciduous. Conifers are widely distributed over the world but are mostly found in the highlands of temperate regions. The conifers, the ginkgoes ginkgo (gĭng`kō) or maidenhair tree, tall, slender, picturesque deciduous tree (Ginkgo biloba ..... Click the link for more information. , and the cycads cycad (sī`kăd), any plant of the order Cycadales, tropical and subtropical palmlike evergreens. ..... Click the link for more information. comprise the three most important groups of gymnosperms, i.e., plants without true flowers. Conifers are classified in the division Pinophyta Pinophyta (pī'nŏf`ətə), division of the plant kingdom consisting of those organisms commonly called gymnosperms. ..... Click the link for more information. , class Pinopsida. coniferAny member of the order Coniferales, woody plants that bear their seeds and pollen on separate, cone-shaped structures. They constitute the largest division of gymnosperms, with more than 550 species. Most are evergreen, upright trees and shrubs. They grow throughout the world (except in Antarctica) and prefer temperate climate zones. Conifers include the pines (Pinus), junipers (Juniperus), spruces (Picea), hemlocks (Tsuga), firs (Abies), larches (Larix), yews (Taxus), cypresses (Cupressus), bald cypress cypresses (Taxodium), Douglas firs (Pseudotsuga), arborvitaes (Thuja), and related groups. They include the world's smallest and tallest trees. Conifers supply softwood timber used for general construction, mine timbers, fence posts, poles, boxes and crates, and other articles, as well as pulpwood for paper. The wood is also used as fuel and in the manufacture of cellulose products, plywood, and veneers. The trees are the source of resins, volatile oils, turpentine, tars, and pharmaceuticals. Conifer leaves vary in shape but generally have a reduced surface area to minimize water loss. Especially in the pines, firs, and spruces, the leaves are long and stiff and are commonly referred to as needles. Cypresses, cedars, and others have smaller, scalelike leaves. Conifers were the dominant type of vegetation just before the advent of angiosperms (see flowering plant). conifer any gymnosperm tree or shrub of the phylum Coniferophyta, typically bearing cones and evergreen leaves. The group includes the pines, spruces, firs, larches, yews, junipers, cedars, cypresses, and sequoias conifer [′kän·ə·fər] (botany) The common name for plants of the order Pinales. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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For a moment--only for a moment--when they were in the turning of the drive, between the tall rhododendrons and conifers, before the lodge became visible, he inclined his face towards her as if--but, no: he thought better of it, and let her go. From the high ground on which it stood a series of terraces bordered by balustrades and urns descended in the steel-engraving style to a small irregular lake with an asphalt edge overhung by rare weeping conifers. They had the appearance of old sea cliffs; here and there were small clumps of conifers, and in two places tall cascades. |
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