15
Jan
2009
Abies concolor Lindl.
Trees and shrubs | Pinopsida
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Scientific name - Abies concolor Lindl.

Popular names - silver fir, white fir.

Distribution and Habitat - Oregon grows in the north, the mountains of Colorado to rock southern New Mexico and north of Mount San Pedro Martir.

Description - tree to 15-80 m high, trunk 1.5-2 m in diameter, regular crown, pyramid, have horizontal branches that start from ground level. Bark dun open ritidom reddish brown. Lujerii young are gray-green, slightly hairy, buds 0.6 cm, resinous. Acicular leaves 5-7 cm long and 2 mm wide, silvery-blue, on both sides with many stripes of stoma, are arranged on two rows on the stalk, perpendicular to it, your face Lujerului superior. The cones have a length of 7 to 12 cm and a diameter of 3-4cm, are erect, elongated cylindrical male cones are red-purple female cones are green-olive, spring blooming. Rags 2.5 cm wide and 1.5-2 cm long, thin margin, rounded. Seed of 8-12 cm length is cuneiform, shiny, brown-yellow, with large wings (two times higher than seeds).

Tolerances - is performing well against air pollution, with smoke and gas support partial shading in the early stages of growth. In the first years after planting, juveniles are susceptible to frost and drought, is protected to have a sustained growth.

Requirements - prefers light soils, deep return.

Propagation - by spring seeds or by grafting on A. alba. Spring seeding is done outdoors. Sowing is protected by shading and sapling nursery autumn to prick out. Early juveniles are susceptible to dryness and frost, and needs protection.

Cultivars and varieties - A. concolor var. concolor, A. concolor var. lowiana, A. concolor nana, 'Albospica', 'Argenta', 'Blue Cloak', 'Clarence', 'compact', 'tapered', 'spp', 'Glauca', 'Glauca Compacta', 'globosa', ' Larata ',' Little Globe ',' Masonic Broom ',' Mora ',' Pendula ',' Recurva ',' Saint John ',' Scooter ',' variable ',' Wattezii ',' Wintergol ',' Wustemeyer '.

Properties and Uses - ornamental species, very appreciated for the pyramid shape of the crown and the leaf color open, Landscape architecture used as ornamental trees. Are planted singly or in small groups, to highlight the beauty of individual specimens. The wood is pale brown SPRis white, light, soft and yielding.

References

Adrian Bloom - Gardening with Conifers - Frances Lincoln Publishers, 2001

Genny Smith - Sierra East: Edge of the Great Basin - University of California Press, 2001

Guy Sternberg, James W. Wilson, Jim Wilson - Native Trees for North American Landscapes - Timber Press, 2004

Laurence Hatch - cultivars of Woody Plants - TCR Press, 2007

LeRoy Abrams - Illustrated Flora of the Pacific States, Vol I - Stanford University Press, 1923

Michael Graf - Plants of the Tahoe Basin - University of California Press, 1999

William Cullina-Native Trees, Shrubs, and Vines - Houghton Mifflin, 2002

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