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  2. Softwood - Wikipedia

    en.wikipedia.org/wiki/Softwood

    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.

  3. Hardwood - Wikipedia

    en.wikipedia.org/wiki/Hardwood

    Those of temperate regions lose their leaves every autumn as temperatures fall and are dormant in the winter, but those of tropical regions may shed their leaves in response to seasonal or sporadic periods of drought. Hardwood from deciduous species, such as oak, normally shows annual growth rings, but these may be absent in some tropical ...

  4. Janka hardness test - Wikipedia

    en.wikipedia.org/wiki/Janka_hardness_test

    Other factors affect how flooring performs: the type of core for engineered floorings, such as pine, HDF, poplar, oak, or birch; grain direction and thickness; floor or top wear surface, etc. The chart is not to be considered an absolute; it is meant to help people understand which woods are harder than others.

  5. Pine - Wikipedia

    en.wikipedia.org/wiki/Pine

    Pines have four types of leaf: Seed leaves on seedlings are borne in a whorl of 4–24. Juvenile leaves, which follow immediately on seedlings and young plants, are 2–6 centimetres (3 ⁄ 4 – 2 + 1 ⁄ 4 inches) long, single, green or often blue-green, and arranged spirally on the shoot. These are produced for six months to five years ...

  6. Quercus palustris - Wikipedia

    en.wikipedia.org/wiki/Quercus_palustris

    Quercus palustris, also called pin oak, [4] swamp oak, or Spanish oak, [5] is a tree in the red oak section (Quercus sect. Lobatae) of the genus Quercus. Pin oak is one of the most commonly used landscaping oaks in its native range due to its ease of transplant, relatively fast growth, and pollution tolerance.

  7. List of Indian timber trees - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_timber_trees

    Pine: Pinus spp. Pine wood is hard and tough except white pine which is soft. It decays easily if it comes into contact with soil. It is heavy and coarse grained. It is used for pattern making, frames for doors and windows, and for paving material. White pine is light and straight grained and is used in the manufacture of matches. Red cedar ...

  8. List of Pinus species - Wikipedia

    en.wikipedia.org/wiki/List_of_Pinus_species

    Pines with one fibrovascular bundle per leaf, (the former subgenera Strobus and Ducampopinus) were known as haploxylon pines, while pines with two fibrovascular bundles per leaf, (subgenus Pinus) were called diploxylon pines. Diploxylon pines tend to have harder timber and a larger amount of resin than the haploxylon pines.

  9. Quercus hypoleucoides - Wikipedia

    en.wikipedia.org/wiki/Quercus_hypoleucoides

    The male flowers form long drooping catkins that are yellow-green in color. The female flowers have very small spikes in leaf axils that appear with the leaves. [8] Form: Though usually found as a shrub, given enough moisture it can become a medium-sized tree that reaches up to 18 m (60 ft) tall with a spreading round crown. [10]