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Close-up view of Fraser fir foliage. Abies fraseri is a small evergreen coniferous tree typically growing between 30 and 50 ft (10 and 20 m) tall and rarely to 80 ft (20 m), with a trunk diameter of 16–20 in (41–51 cm), rarely 30 in (80 cm).
Douglas-fir is a medium-sized to extremely large evergreen tree, 20–100 metres (70–330 feet) tall (although only coast Douglas-firs, reach heights near 100 m) [10] and commonly reach 2.4 m (8 ft) in diameter, [11] although trees with diameters of almost 5 m (16 ft) exist. [12]
Many are also decorative garden trees, notably Korean fir and Fraser's fir, which produce brightly coloured cones even when very young, still only 1–2 m (3 ft 3 in – 6 ft 7 in) tall. Many fir species are grown in botanic gardens and other specialist tree collections in Europe and North America.
Fraser fir is a beloved type of Christmas tree that also offers privacy, beauty, and wildlife value to gardens.
The Los Angeles County Department of Forestry has extensively planted the tree over a 50-year period for that purpose. Some hybrids of Pseudotsuga macrocarpa (Bigcone Douglas-fir) × Pseudotsuga menziesii (Coast Douglas-fir) show promise for planting on drier restoration sites within the P. menziesii−Douglas-fir natural range. These hybrids ...
The bark on young trees is smooth and gray with resin blisters, becoming red-brown, rough and fissured on old trees, usually less than 5 centimeters (2 in) thick; the inner bark is reddish. [5] The leaves are needle-like, 1–3.5 cm ( 1 ⁄ 2 – 1 + 1 ⁄ 2 in) long, glaucous blue-green above and below with strong stomal bands, and a blunt to ...
The fir tends to be concentrated in steep, rocky, fire-resistant spots at elevations from 2,000 to 5,000 feet (610 to 1,520 m). Due to the tree's thin bark, it is susceptible to fire, and large stands are always located near high cliffs or in steep, rugged canyons that prevent litter accumulation under the tree canopy and limit the strength of fires.
Abies pinsapo, Spanish fir, is a species of tree in the family Pinaceae, [2] [3] native to southern Spain and northern Morocco. [4] Related to other species of Mediterranean firs, it appears at altitudes of 900–1,800 metres (3,000–5,900 ft) in the Sierra de Grazalema in the Province of Cádiz and the Sierra de las Nieves and Sierra Bermeja, both near Ronda in the province of Málaga.