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conifer
conifer [Lat.,=cone-bearing], tree or shrub of the order Coniferales, e.g., the pine , monkey-puzzle tree , cypress , and sequoia . Most conifers bear cones and most are evergreens, though a few, such as the larch , are deciduous. Conifers are widely distributed over the world but are mostly...
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Pinophyta
Pinophyta , division of the plant kingdom consisting of those organisms commonly called gymnosperms. The gymnosperms, a group that includes the pine, have stems, roots and leaves, and vascular, or conducting, tissue (xylem and phloem). In these plants the ovules, or young seeds, are exposed to the a...
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Gymnosperms
Gymnosperms
Gymnosperms are a group of plants that share one common characteristic: they bear seeds, but their seeds do not develop within an ovary. For this reason, gymnosperms were long thought to be an evolutionary precursor to the angiosperms, which are seed plants that enclose their seeds in a...
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bald cypress
bald cypress common name for members of the Taxodiaceae, a small family of deciduous or evergreen conifers with needlelike or scalelike leaves and woody cones. Most species of the family are trees of East Asia; almost all are cultivated for ornament (and are often erroneously called firs or pines)....
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cone
cone or strobilus , in botany, reproductive organ of the gymnosperms (the conifers , cycads , and ginkgoes ). Like the flower in the angiosperms (flowering plants), the cone is actually a highly modified branch; unlike the flower, it does not have sepals or petals. Usually separate male (stam...
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pollen
pollen minute grains, usually yellow in color but occasionally white, brown, red, or purple, borne in the anther sac at the tip of the slender filament of the stamen of a flowering plant or in the male cone of a conifer. The pollen grain is actually the male gametophyte generation of seed plants ...
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dry rot
dry rot fungus disease that attacks both softwood and hardwood timber. Destruction of the cellulose causes discoloration and eventual crumbling of the wood. This frequently results in the collapse of wooden structures such as house flooring, mine shafts, and ship hulls. Because the fungi require mo...
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fir
fir any tree of the genus Abies of the family Pinaceae ( pine family), tall pyramidal evergreen conifers characterized by short, flat, stemless needles and erect cylindrical cones that shed their scales rather than dropping off the tree whole. Firs, valued and cultivated for their fragrance and ...
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grosbeak
grosbeak [great beak], common name for various members of the family Fringillidae ( finch family). Grosbeaks are characterized by their large conical bills. The male rose-breasted grosbeak ( Zamelodia ludoviciana ) is striking with its white bill and summer plumage of black and white accented by a...
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turpentine
turpentine yellow to brown semifluid oleoresin exuded from the sapwood of pines, firs, and other conifers. It is made up of two principal components, an essential oil and a type of resin that is called rosin . The essential oil (oil of turpentine) can be separated from the rosin by steam disti...
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