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One of the fastest-growing conifer species. The wood is straight-grained and moderately hard. Some of it is milled for railroad ties and cabin logs. Uses: timber; landscaping, posts, pulpwood, veneers, winter holiday decorations [100] [101] IL IN NC WI, New England and the Mid-Atlantic —
The microscopic structure of conifer wood consists of two types of cells: parenchyma, which have an oval or polyhedral shape with approximately identical dimensions in three directions, and strongly elongated tracheids. Tracheids make up more than 90% of timber volume.
The American Conifer Society was founded in 1983 [1] to help educate the public about conifers, which are cone-bearing plants. [2] The Society is governed by a board of directors with representation from each of the Society's four regions.
InsideWood is an online resource and database for wood anatomy, serving as a reference, research, and teaching tool. Wood anatomy is a sub-area within the discipline of wood science. [1] [2] This freely accessible database is purely scientific and noncommercial.
The wood is normally kiln dried to 12% moisture in 6 m (19 ft 8 in) long, clear lengths. It is available treated with a range of chemical salts, or untreated. Chemical salt treatment is well proven and such timber is frequently used in the ground as posts and poles as part of structures such as retaining walls and pole houses.
The hardest hardwoods are much harder than any softwood, [4] but in both groups there is enormous variation with the range of wood hardness of the two groups overlapping. For example, balsa wood, which is a hardwood, is softer than most softwoods, whereas the longleaf pine , Douglas fir , and yew softwoods are much harder than several hardwoods.
The coniferous Coast redwood (Sequoia sempervirens) is the tallest tree species on earth.. The world's superlative trees can be ranked by any factor. Records have been kept for trees with superlative height, trunk diameter (girth), canopy coverage, airspace volume, wood volume, estimated mass, and age.
Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae.Coulter pine is an evergreen conifer that lives up to 100 years. [2] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico, occurring in mediterranean climates, where winter rains are infrequent and summers are dry with ...