12
Apr
2009
Ailanthus altissima - cenuser, false castor
Trees and shrubs | Magnoliopsida

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).

References

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

Photos
Top
See also
Top
Trees and shrubs
Diospyros kaki L. - Khaki

Monoecious tree, 6-12 m high. Trunk erect, conical crown, brown bark is exfoliating in small plates. Leaves fell, coriacee, alternate, language oval-elliptic, margin entire, top acuminata, the attenuated, shiny green on top and pubescent towards the bottom, 7-20 x 4.10 cm, petiole 1-1.5 cm long.

 
Camellia japonica

Evergreen ornamental plant of the Theaceae family, native from Eastern Asia, its origin is still controversial, being considered by some as species indigenous from Japonia and, by others, from China. It was introduced into Europe by the Portuguese in 1542 and soon spread to Spain, England, France and Italy; into United States at the beginning of the 18th century, and in Australia during the mid 19th century.

 
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.

 
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.

 
Ilex aquifolium

Ilex aquifolium is a shrub native to Britain, 8 meters high. Crown dense pyramid. Bark is smooth, gray, alternate leaves, coriacee, ovat-elliptical or pointed spinal rigid, acute, those tricky steps and with the lower branches of the PA wave the upper branches, evergreen, bright green, toxic.

 
Magnoliopsida
Erinus alpinus L.

Herbaceous perennial, evergreen. Stem branched, forming bush, 5-15 cm high. Leaves spatulate, 4 cm long, needle tapered. Flowers purple, 1.25 cm diameter, arranged in raceme of 6 cm long. Seeds ellipsoidal, 0.6-0.8 x 0.35-0.45 mm supreafata glossy, dark brown.

 
Pelargonium australe - Muscat

Herbaceous perennial, 50 cm high, sparsely hairy, stems covered with non-glandular hairs. Leaves opposite, lamina ovata, ± circular, 2-9 cm long, 2-8 cm wide, 5-7 lobes, lobes Curl crenata edge, pubescent or ± glabra, 13 cm long stalks. Flowers arranged in umbele, 4.12 flowers pedunculate, 3.10 cm long, pedicel 1-2 cm long. Calyx lobes are 4.7 mm long, 1-6-8 SEPA, 8 mm long.

 
Skimmi japonica

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

 
Hepatica nobilis Schreb

Herbaceous perennial, fibrous root. Leaves evergreen, coriacee, the young are green open and passwords, dark olive green on the upper face, and purple on the lower face at maturity and during flowering, cordiform 3-lobate, lobe ovat, margin entire, top obtuse.

 
Punica granatum - pomegranate

Genus Punica includes two species of shrubs or small trees, native of the Mediterranean region, North Africa, Iran, and Afghanistan. Leaves opposite, oval-lanceolata language around the edge. Flowers red-orange, yellow or white. Edible fruit.

 
   Add to iGoogle
Last posts

Categories

Links