Firs (abies) are a genus of forty eight–56 species of evergreen coniferous bushes inside the own family pinaceae. They are located thru an awful lot of north and significant america, europe, asia, and north africa, happening in mountains over maximum of the variety. Firs are maximum closely related to the genus cedrus (cedar). Douglas firs aren't actual firs, being of the genus pseudotsuga. They're massive timber, achieving heights of 10–eighty m (33–262 ft) tall with trunk diameters of 0. Five–4 m (1 ft eight in–13 ft 1 in) when mature.
Firs may be prominent from other participants of the pine own family through the manner in which their needle-like leaves are attached singly to the branches with a base comparable to a suction cup, and by way of their cones, which, like the ones of proper cedars (cedrus), stand upright at the branches like candles and collapse at adulthood. Identity of the unique species is primarily based on the size and arrangement of the leaves, the scale and shape of the cones, and whether or not the bract scales of the cones are lengthy and exserted, or short and hidden in the cone.
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