25
Mar
2009
Alnus incana (L.) Moench - white alder
Trees and shrubs | Magnoliopsida

Scientific name - Alnus incana (L.) Moench

Alnus derives from the Celtic 'the lan' = near rivers; incana specific name derives from the Latin 'canuto' = white on the underside of the leaves.

Synonyms - Betula Alnus, Betula incana.

Popular names - white alder, Aulnat blanc, Grauer, Weisser, ontano bianco, mountain alder.

Distribution and Habitat - originally from Northern and Central Europe, the Caucasus, East Asia and North America.

Description - mano tree or shrub that can reach 20 m, with stem often crooked, crown with branches thick, upward, lush foliage, lujerii in young gray, pubescent. Bark smooth, shiny, whitish gray, the old copies, to the base with shallow cracks. Wide elliptical leaves up to ovatBy 4.10 cm long, 4-6 cm wide, rounded to the double needle and lobe, pointed, gray green face, white inside gray, furry, ready alternative. Laminated ribs are straight, neramificate to head. Flowers unisexuate in Ament, is formed in the summer and before the leaf opens, the following spring. After fertilization, the female form conulete fruit (strobili) small, Sesia, many grouped 4-8, in one place. Fruits are small samara pentagonal small, narrow wings, red-brown. Seed wings are equipped with air bags that float on water to help release.

Growth rate - fast, powerful and drajoneaza few lastareste, with longevity a little under 100 years, on average 50-60 years.

Tolerances - air pollution, smoke, drought and shading. Resistant to frost.

Requirements - species rustic mountain adapted to harsh conditions, with the season you willgetatie short, supporting good frosts at high altitudes the increase. Placements prefer light and moist.

Is less demanding from the ground, so the soil rich vegetand well, loose, and the soil compacts,

cold, on the contrary the limestone or acidic soils in bogs, or poorly formed, cruel. Hang in excess water and to soil drought.

Propagation - Seed sown in autumn, winter and early spring snow or by grafting to

ornamental varieties, rootstock is A. glutinosa.

Diseases and pests - Phytoptus rudis.

Cultivars and varieties - 'Angustissima' narrow leaves and iregulat incision, 'Aurea' stalk sheet are yellow, 'Bolleana' iregulat stained yellow leaves,

Properties and Uses --forest species of interest, used as a pioneer plant, because its rusticitatii,

emphasizing and strengthening bank valleys flowing water, degraded land, slopes fast, ravenele mountain torrents and river. The strong fixed drajonarea land erosion in areas with slopes împiedecand emphasized.

The wood is processed well, polished rims, has an average resistance to air and water, between 10 and 40 years, întrebuintandu to the production of plywood and sheets of chips, pencils, boxes, packaging products, turning. Tanning substances in the bark are used in paint, bark and fruits having tinctorial properties.

Species may be used for public green spaces, enriching the soil in nitrogen because the roots nodozitatilor and fertilizandu him by litter.

Bark is used against rheumatism, the Americans used to treatbad anemia, and diaforeica for urinary problems.

References

C. Colston Burrell - Invasive Plants Native Alternatives - Brooklyn Botanic Garden, 2006

E. Hulten - Flora of Alaska and neighboring Territories - Stanford University Press

Gary Stacey, Robert H. Burris, Harold J. Evans - Biological Nitrogen Fixation - Springer, 1992

Stubbendieck James, Stephan L. Hatch, LM Landholt - North American Wildland Plants - University of Nebraska Press, 2004

MM Grandtner - Elsevier's Dictionary of Trees - Elsevier Science, 2005

M. Forrest - Landscape Trees and Shrubs - CABI Publishing, 2006

See also
Top
Trees and shrubs
Aglaia odorata

Aglaia odorata is a tree native to Southeast Asia and grown as an ornamental tree throughout the Pacific Rim. In the Philippines, a decoction of roots is used as a drink to reduce fever.

 
Canarina canariensis

Canarina canariensis - herbaceous, commutes glaucescenta. Endemic from the Canary Islands, Tenerife, grows at the edge of forests, from 300 to 1000 m altitude.

 
Helianthemum nummularium - Rock Rose

Scientific name, Helianthemum numularium, derived from the Greek Helios = sun and the Latin word indicating the currency, numumus = currency, because the flowers that sparkle in sunlight like a golden coin.

 
Viburnum tinus

Popular names: English - Laurestinus Viburnum, tinus Laurel, Tinus laurifolius, Italian - lentaggine, Lauro-tino, alloro-tino, laurentino.

Viburnum tinus is originally from southern Europe and the Mediterranean.

 
Tilia cordata - Small-leaved lime, lime hill

Scientific Name - Tilia cordata

Synonyms - Tilia parvifolia Ehrh., Tilia ulmifolia Purpose ..

Names of people - small-leaved lime, lime sulfur, lime hill, Littleleaf Linden, Lindenbluten, Tiliae flos, Fleur de Tilleul.

Distribution and Habitat - originating in Europe, grows on nutrient-rich soil in warm areas.

Description - tree, 20 feet tall. Trunk as thick (can reach up to 1 m diameter). Bark on young specimens is smooth, gray to dark gray becomes mature specimens or brown, pitted. Crown oval, conical. Olive-green stems, at first pubescent then glabrata. Buds 4-6 mm long, usually two outer scales unequal, shiny, olive-green to red-brown, terminal bud is absent. Leaves alternate, simple, subrotunde - ovate, 5-7 c

Tilia cordata - tree, native of Europe, increases in nutrient-rich soil in warm areas.

Lime flowers are the most popular remedy for colds and flu, tea is used to treat headaches, anxiety and nervous tension.

 
Magnoliopsida
Maclura tricuspidata

Maclura tricuspidata - native to North America, used as an ornamental species, used for protection curtains.

 
Viola yildirimlii

Viola yildirimlii - endemic in the Mediterranean. Grows on rocky slopes, along with Corydalis rutifolia subsp. erdelii, Primula vulgaris subsp. vulgaris, Anemone blanda, Ornithogalum lanceolatum, Muscari azureum and Gladiolus atroviolaceus up to altitudes of 1800 m.

 
Acta spicata

Acta spicata - a species native to Europe and Asia, grows in mountain forests in beech forests from 400 to 1500 m altitude.

 
Psidium araucanum is a new species discovered in southern Brazil

Araucanum Psidium (Myrtaceae) is an endemic species in the state of Parana and Sao Paulo in southeastern Brazil, along the rivers.

Genus Psidium L. is characterized by simple leaves, opposite, with nervatiune Pinata, flower solitary, axillary or Raceme small, large number of stamens arranged in spiral, ovary inferior.

 
Pimenta racemosa (Mill.) JWMoore

Shrub or small tree, 7.5-15 m high; ritidom thin, scaly, producing a scaly trunk. Leaves pungent rum, obovata to elliptic, 3-15 x 1.2-7.5 cm, acute to round at the narrow top, coriacee.

 
   Add to iGoogle
Last posts

Categories

Links