Scientific name - Ailanthus altissima
Popular names - cenuser, castor false, Tree of Heaven, Chinese Sumac.
Distribution and Habitat - natural habitat in China and Korea, at 0-2000 m altitude. In Europe it was introduced in 1740 in Paris by a Jesuit missionary. Philadelphia was introduced by William Hamilton in 1784.
Description - tree 12-15 m high, round crown in his youth, rare, and latita, stem short, with few branches thick, upward. Bark smooth, brown, gray, thin, finely cracked. Mugurele terminal is absent, lateral buds were 3 mm long, round, brown, fluffy. Lujerii young are thick, fine hairy, yellow-brown, with large lenticele. Leaves alternate, imparipenat-compound, 40-60 cm long, with 13-25 Folio, ribbed, ovata lanceolata, 7-12 cm long, blue inside, glabra; onthiol smooth, round, swollen at the base. Flowers yellow-green, small, polygamous, of 0.7-0.8 cm diameter in panicule terminal, 10-20 cm long, 3.5 sepa, 5 petals, 10 stamens in male flowers, 2-3 in flowers hermaphrodite; 5.6 rags, ovary superior. Blooms in June-July. Fruit Samara, 3-5 cm long. Compressed seed, plant, have red-brown color, remain on tree in winter.
Growth rate - fast. Longevity, 40-50 years.
Tolerances - sensitive to frost, tolerate drought, air pollution.
Requirements - rather loose, deep soil, sunny exhibitions.
Management - in areas where invasive Ailanthus altissima is, shearing crown drajonilor induce growth, the best way to combat the ceachimica. Herbicides applied in spring, after leaf emergence.
Propagation - by seeds, root cuttings and layers. The seeds can be kept in place two yearsdried without losing germination. Tree become reproductive after 10-20 years.
Diseases and pests - Armillaria mellea, Atteva punctella, Botryosphaeria dothidea, Cytospora ailanthi, Fusarium lateritium, Hyphantria cunea, Nectria coccinea, Samia cynthia, Verticillium ALBO-atrum, Verticillium dahliae,
Properties and Uses - species can be used for determining slopes and slopes, degraded land.
Yellowish white wood, although it works well, has limited use, is soft, durable and less brittle. Species oras, with a potential production of 300 kg / ha / year.
By crushing the leaves emit an unpleasant odor.
Other species - Ailanthus excelsa (grown in dry places in northern India), Ailanthus grandis(fast-ascending tree of northern India, bark smooth, narrow crown), Ailanthus malabaricum (small tree of southern India, but grows in other tropical parts of Asia).
C. Colston Burrell - Native Alternatives to Invasive Plants - Brooklyn Botanic Garden, 2006
Carla C. Bossard, John M. Randall, Marc C. Hoshovsky - Invasive Plants of California Wildlands - University of California Press, 2000
Elizabeth J. Czarapata - Invasive Plants of the Upper Midwest - University of Wisconsin Press, 2005
John Eastman, Amelia Hansen - The Book of Field and Roadside - Stackpole Books, 2003
John R. Hartman, Thomas P. Piron, Mary Ann Sall - Piron's Tree Maintenance - Oxford University Press, 2000
Richard DeGraaf, Paul E.Sendak - Native and Naturalized Trees of New England and Adjacent Canada - UPNE, 2006
Trees and shrubs
Viburnum opulus L. - calin, snowball
Originally from Europe, grows spontaneously in the Netherlands, the soil rich in forests, and forest edge. Description - shrub, 1,3-3,5 m high; ritidom smooth, exfoliating in strips is, open gray on the outside, Brown -yellow on the inside, branched stem. Leaves opposite, 3-lobate, margin iregulat evening, the round or truncata, top acuminata, glabra on the upper face, lower face pubescent, dark green in summer, yellow-orange in autumn.
Quercus cerris L. - Turkey Oak
Quercus cerris - a species native to south-eastern Europe, cultivated as an ornamental tree, singly or in small groups.
Quercus robur - oak, Tufan
native trees (Romania), robust 50 m high, 1-2 m stem diameter, crown wide, irregular. Ritidom dark brown, deep furrow. Crown deep and wide, with vigorous branches, units, stretched horizontally, can cover the maximal development of 200-300 sqm. Lujerii annually, vigorous, edge, brown-olive trees, glabra, with small lenticele rare.
Evergreen shrub. Branches erect. Leaves green, alternate or subverticilate, 6-21 x 2.5 cm, limb oblong, coriaceu, top acuminata, edge entire, nervatiune pinnate. Flowers arranged in terminal panicule, small flowers, hermaphrodite
Cosmos sulphureus - used as an ornamental species for borders or groups, in association with Asclepias curassavica, Coreopsis tinctoria, Oenothera fruticosa, Rudbeckia hirta, Salvia farinacea, Solidago canadensis, Tagetes erecta.
Gigabracteata Begonia sp HZ Li & H. Ma. November. in Guangxi, China
Begonia gigabracteata is a plant decide. Tuberous rhizome, 2 cm in diameter. Stipele obsolete. Basal leaves, stalks 4 to 9.2 cm long, cylindrical, reddish or green, with few glandular hairs; language obovata, glabru basis cordata, acuminata top, margin entire or irregular gear, nervatiune palmate-pinnate.
Chimonanthus praecox (L.) Link
Chimonanthus praecox - native species of China. Linnaeus described this species as the variety, as the Calycanthus praecox. In 1819 Lindley introduced a new kind Chimonanthus.
Deciduu shrub, 2-5 m high. Leaves opposite, entire, ovat-lanceolata, 7-20 cm long, thin, green, rough upper part, becoming yellow in autumn.
Menzies ferruginea Smith
Shrub 1-2 m tall, thin stalk, reddish brown, slightly pubescent, terminal buds in bouquets, bark red-brown to gray-brown, thin, becomes scaly. Leaves alternate, decidue, nervatiune pinnate, obovata-elliptic, 3-6 cm long, dark green on upper and pale green inside, margins entire or soirees.