09
May
2009
Robinia pseudoacacia - Acacia
Trees and shrubs | Magnoliopsida

Scientific name - Robinia pseudoacacia

Synonyms --

Popular names - Black Locust, Robinia,

Distribution and Habitat - originating from New York to Minnesota, south Virginier, South Dakota, and Oklahoma.

Description - tree, 25 m high, crown iregulata, oval, open. Maroni stalk, thin, tomato-brown of thorns present 1.5-2.5 cm long. Small buds superimposed. Leaves alternate, imparipenat-compound, 7-19 folio elliptical, obovata, opposite, entire edge, nervatiune pinnate, 4-5 cm long, green or green glauca, are yellow in autumn. Raceme blossom, 12-30 flowers papilionate, fragrant, flower 1.8-2 cm long; rachides green, 8-20 cm long. Peduncle 7.9 x 0.5-1 mm, reddish green. Calyx green, 5 sepa united at the base, lobes 2 mm, acute. Corola white; vexilum (stindard or upper petal) 1.6 cm, with a yellow-green stain on the middle, wings (lateral petals) 1.6-1.8 x 0.5-0.6 cm; hull is made of 2 petals joined to the top, top, yellow-green, protects the stamens and ovary , 10 stamens, 1.5-2 cm long, pale yellow pollen, ovary superior, 1.5 cm, style 0.7-0.8 cm, pubescent. Fruit pods

Growth rate - fast.

Tolerances - alkaline soils, drought, wind and cold.

Requirements - grow on soils rich in humus, well drained, neutral to acidic, in full sun or semiumbra.

Management - skims needs to form a strong structure.

Propagation - by seed from March to May.

Diseases and pests - Aglaospora anomala, Diaporthe oncostoma, Nectria galligena. Controlling these diseases is by trimming the parties concerned.

Phytophthora parasitica can attack plants 1-3 weeksgrown in greenhouses.

Cladosporium epiphyllum, Cylindrosporium solitarium, Gloeosporium revolutum, Phleospora robiniae and Phyllosticta robiniae are fungi that cause black spots on leaves.

Megacyllene robiniae, adults feed on pollen.

Odontota dorsalis attack leaves in May.

Natural partners and Garden - Sambucus nigra.

Cultivars and varieties - 'Decaisneana' and 'Idaho' - pink flowers growing, 'Crispi' and 'Inermis' - growing without thorns, 'Aurea', 'dissect', 'Frisia', 'macrophylla' and 'Unifolia' - growing with foliage variegata.

Properties and Uses - all parts of the plant in non-toxic flower. Bark is poisonous to horses, cattle, sheep and paDomestic jump.

Fruits attract birds and squirrels.

Aqueous extracts of flowers, were slightly alkaline reaction, tamponeaza excess stomach acid. Use only dry flowers without flower rahisyl the form of infusion, a spoon into a cup with water, can drink 2.3 cups per day.

Of acacia flowers can make pancakes. Flowers without flower axis, rinse well and put the drained on a towel. It makes the dough for pancakes and add acacia flowers. Bon appetite!

Myth, Legend and Folklore - bark in traditional medicine, was used to hiperaciditatea stomach in gastric and duodenal ulcers, and purgative.

References

Harmount Arthur Graves - Illustrated Guide to Trees and Shrubs - Dover Publications in 1992

Bojor Ovidiu - Guide to Medicinal and Aromatic Plants A to Z - Fiat Lux, 2003

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

Guy Sternberg, James W. Wilson, Jim Wilson - Native Trees for North American Landscapes - Timber Press, 2004

John R. Hartman, Thomas P. Piron, Mary Ann Sall - Piron's Tree Maintenance - Oxford University Press, 2000

John W. Everest, Thomas A. Powe, John D. Freeman - Poisonous Plants of the Southwest United States

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