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
Nyssa sylvatica Marsh.
Dioecious tree, 25 meters high. Dark brown bark with deep cracks. Glabra or slightly hairy stalk, thin, red-brown, smooth; mugurele terminal 3-5 mm, nested, 6-8 scales visible, few pubescent and Chile, bicolori with red edges and the rest suprafatei green.
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.
Evergreen shrub or small tree, 1-2 m high. Branched or with a single stem, thin, often branched stalk with fine hairs, covered with scars of fallen leaves. Leaves alternate, elliptic-round, 5-15 x 5-10 mm, top and tapered-round basis, margins finely toothed or entire, glossy dark green on upper side, more pale green inside; countries, glabra, occasionally glandular, ribbed very short.
Morinda citrifolia - originally from Queensland, Australia. The fruit is edible, from seeds to obtain oil insect repellent.
Buxus sempervirens - evergreen shrub, native of northern Africa, Asia and Europe, up to 800 m altitude. Increases in rare deciduous forests on limestone substrates in sunny exhibition, in association with integerrimus Cotoneaster, Pyrus pyraster, Prunus spinosa and Amelanchier rotundifolia.
Evergreen tree, 15-20 m high. Leaves simple, alternate, coriacee, limb oval edge gear, 2.5-5 cm long, short stalks. Flowers arranged in dense corymb, hermaphrodite, pentamere, white, 1.5 cm in diameter, calyx of 5 SEPA. Fruit capsule, containing 10-20 seeds.
Genus Edgeworth is named in memory of botanist Michael Pakenham Edgeworth (1812-1881).
Edgeworth chrysantha deciduu is a shrub, of 1,8-2,4 m tall, native of China, Himalayas, naturalized in Chugoku. Foxy stalk. Leaves arranged alternate, short stalks or Sesi, language: lanceolata, acuminata top, edge entire, base cuneata; 8-20/3-5 cm.
Hibiscus syriacus - shrub to 3 m high, native of India and China, naturalized in southern Europe. cultivated as an ornamental tree in parks and public gardens, the street alignments or as hedges.
Herbaceous perennial calcifuga, dioica, 30 cm high, caespitosa, densely pubescent. Prostrata strain or upward. Leaves acute seriacee with obvious central rib, lower leaves 9 x 1.5 cm subspatulate to oblong-lanceolata, ribbed, those of the middle stem is elliptical to oblong-lanceolata, united at the base.