09
May
2009
Robinia pseudoacacia - Acacia
Trees and shrubs | Magnoliopsida
2
0

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

Photos
Top
See also
Top
Trees and shrubs
Ailanthus altissima - cenuser, false castor

Ailanthus altissima - tree quickly ascending, with large pinnate leaves and terminal flower bouquets green-white.

 
Tilia platyphyllos - Large-leaved Linden

Tilia platyphyllos - thermophilic species, grows only in plain and low hills, Europe and western Asia.

Large-leaved Linden, used as decorative trees in parks, and street alignments.

 
Russelia equisetiformis

Bush, 60-150 cm tall. Branches green, thin, pubescent, with 4.12 edges. Leaves pubescent, with some softwood apuncte, leaves from the branches are placed 3.6 in each verticil, language ovat-elliptic, 8.5-16 x 6-9 mm, top acute, sparsely toothed, leaves are opposite dinsre top Lujerul, linear, whole.

 
Theobroma cacao

Theobroma cacao - the tree deciduu originating from semi-tropical forests of Brazil, Mexico and the U.S.A

The genus name derives from the Greek "theos" = god, and 'bromine' = food, food of the gods.

 
Fremontodendron californicum

Fremontodendron californicum - originating in Baja California, California and Arizona. Genus was named by JC Fremont.

 
Magnoliopsida
Euphorbia pulcherrima - Poinsetia

Description - shrub, 20-50 cm high. Decidue leaves, oval, 10-15 cm long needle, or pointed. Flowers small, yellow-green, surrounded by bracts 15-20 cm long, red, pink or white.

Tolerances - not tolerate too hot environments, usacte and poorly lit, leaves turn yellow and fall.

 
New species from Brazil Swartz - Swartz trimorphica Mansano & AL Souza

Shaft, 6 m high, branches hairy. Stipele 1.5-2 x 1-1.2 mm, triangulation, passwords, decidue. Imparipenat-compound leaves, folio 9, petiole about 2.4 cm long, hairy-tomentoase, talkative leaf 7.5-8.3 x 2.9-3.6 cm, elliptic, oval-oblong, glabru few hairy face and inside the main rib, the acute - cuneata, apex caudate

 
Fothergilla

Fothergilla gardenii - small shrub, up to 1 m high. Leaves 4.8 x 1.5-5 cm, edge to the top gear. Flowers white with pink ears appear before the leaf in the terminal, stamens numerous. Blooms in April-May, prefers moist soil, well-drained, in full sun.

 
Geranium pratense - beak stork

Herbaceous perennial, stems pubescent, erect, branched dichotomy. Leaves opposite, the parties to lobate-acute, 5-7 lobed, margin evening. Flowers symmetric radiator Corola blue-purple, 5 petals obovata, 2 cm, 5 sepa lanceolata, mucronata, ovary superior, 10 stamens united at the base. Blooms in June-August.

 
Coronilla vary

Coronilla vary - herbaceous perennial, native to SE Europe, grows on limestone rocks and ravines, arid plains, along the streets, from 0 to 1200 m altitude.

 
Comments
Top
comments powered by Disqus
   Add to iGoogle
Last posts

Categories

Links