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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
See also
 Trees and shrubs
Carpinus betulus
Carpinus betulus - hard wood shaft with durable but less humid conditions. Suprta trimming and better suited for bonsai training. Flourensia cernua - tarbush
Flourensia cernua is deciduous shrub, from Chihuahuan Desert. In northern Mexico, the leaves and flower heads were used historically to make a decoction for treating indigestion. Viburnum x bodnantense
Viburnum x bodnantense - deciduu shrub, hybrid obtained from crossing V. Farrer with V. grandiflorum. Many strains, erect, thin, 3 m high. Bark brown or orange brown, ribbed iregulate, longitudinal, slightly deep, young branches are reddish brown, lucid, glabra. 2 x 2-3 mm buds, brown Rosietici, leading to acute subobtuz with very short hairs. Alnus cordata - alder of Corsica
Alnus cordata is a deciduuous tree, native to Italy and Corsica, occurs naturally in poorly drained soils, in semi-shade. The plant can tolerate maritime exposure, dry conditions as well as a dusty atmosphere. Is cultivated as ornamental trees in gardens and parks. Dracaena marginata Lemarck
Popular names: English - Red-edged Dracaena, Madagascar Dragon-Tree, Hawaii - money tree. Dracaena marginata Lemarck is an evergreen species native to Madagascar, was imported into Europe in the XVII century. Bush by 6 m high, formed more vertical stems. Leaves arranged spiral, simple, Sesia, entire, linear, evergreen, green with reddish margins, 15-45 x 0,7-3 cm; nervatiuni parallel. Pinopsida
Pinus coulteri D. Don
Monoecious tree, 15-25 m high, trunk 40-120 cm diameter, wide crown, pyramid, iregulata. Bark gray-brown, streaked andanc with solxi long iregulati. Branches ascending, stalk yearly thin, brown-purple, glauca, rugosa, become black after several years. Picea glauca
Species native to North America, boreal Canada - Western Alaska, increases along with Picea mariana, Pinus banksiana, Populus tremuloides, Abies balms, Betula lutea and Acer saccharum. Port pyramidal, columnar, dense crown, 14-21 m high and 30-45 cm diamteru trunk, root surface, thin crust, less than 2.5 cm thick, gray-purple. Nageia fleuryi
Evergreen tree. Leaves opposite, coriacee, oblong to elliptic-lanceolata, 8-18 x 2-4.5 cm, top acuminata, petiole 2-4 mm long. Male cones are cylindrical, grouped 3-4 at underarms, female cones are solitary, the armpit leaves. Abies alba - European silver fir
Tree, originating in the mountains of Central and Southeast, grows in mixture with beech and spruce at 400-1500 m altitude. The bark is a dark drayish color. Glossy dark green needles with two whitish stripes undersides, arranged in 2 rows. The cones cylindrical, 10-20 cm long, brown-reddish, rags shooting. Dead wood is an important component of forest ecosystems, contributing to carbon storage and soil enrichment. Herbaceous layer in forests of fir comprisesHieracium murorum, Rubus fruticosus, Sanicula europaea and ferns. |
 
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