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
Acer platanoides - norway maple
Acer platanoides - used as an ornamental species in parks and gardens, but also the green street.
In the United States was introduced around 1700 in East Pensilveniei. It was introduced as ornamental species, the green street, in many areas of culture out of control and become invasive species.
Lantana camara - aromatic shrub originating from Central and South America, cultivated as an ornamental tree in parks and gardens or as potted plant.
Evergreen shrub originating in Southern Ireland and Mediterranean regions, grows slowly, up to 3 to 10 m, reddish bark, young branches are red-hot, dense crown. Leaves alternate, elliptic-lanceolata, 5-10 cm long, parties, except ribs smooth, glossy dark green, pinnate nervatiune. Flowers white to pale pink, sometimes stained with red, 5-10 mm long, campanulata, odorless, ready to panicule 5 cm long, anther clocks.
Betula alba - species, ornamental, decorative crown shape and color of bark, in parks and gardens. The bark is rich in tannins, is used in cosmetics.
Tilia tomentosa - silver linden
Tree with dense crown, rich, 30 m high, with branches erect, rounded. Lujerii annual geniculati, brown-yellow, gray tomentosi with buds ovoid, with two external scales equal, also felt. At first bark is smooth and gray, mature form shallow longitudinal furrows.
Impatiens glandulifera - a species herbaceous annual. The genus name derives from the Latin 'impatient' = impatient, referring to the characteristic fruit to mature quickly open, releasing the seeds to great distances, and the specific name 'glandulifera' refers to small glands at the base of the petiole and foliar language .
Deciduu shrub, 2-5 m high. Bark gray young branches are yellow-green. Leaves alternate; paripenat-compound, 4-6 pairs of folio oval-elliptic, 10-35 mm long, dark green in summer and autumn yellow, 5-10 cm long; spinescente Stipe. Flowers solitary, Corola yellow, 20-25 mm long, increase the armpit leaves, blooming from May to June.
African Sparmannia - shrub or small tree, native of southern Africa, as a species grown across the globe or outdoor ornamental pot.
Herbaceous perennial. Floral stem erect, 3-15 cm high. Basal leaves often nested, lamina lanceolata, 0.4-1.5 cm x 0.8-2.0 mm, margins cartilaginous, top acute, glabra, nauseating. Flowers solitary, bisexual or unisexuate. Pedicel 2-40 mm.
Hydrangea - Hortensia
Genus includes 80 species, the most popular are H. macrophylla, H. arborescens, H. paniculata and H. quercifolia. Shrub or voluble species with opposite leaves. Flowers solitary or grouped in inflorescences type corymb, Raceme. Ovary compound, 2-10 rags, below. Capsule truncata. Seeds numerous, ribbed.