Scientific Name - Betula alba
Popular names - mesteacan.
Distribution and Habitat - originating from northern Europe to eastern Asia, increases in association with petreae Quercus, Fagus sp. and Abies sp.
Description - tree 20 m tall, stem right, cylindrical, 40-60 cm diameter. Bark white, smooth, flaking in circular strips to form the trunk ritidom black, deeply cracked. Crown irregular, thin shoots, stems pendent, warty, glabra. Leaves rare diamond-ovate, 3-7 x 3-4 cm, top acuminata, base cunea or cropped, double-side evenings, stems 2-3 cm pendulum. Unisexuat Flowers monoecious, clustered in Amenti, the men formed fall 2-3 to the top of the shoots, female flowers appear in spring, in the form of elongated cones. Blooms in April-May, anemofila pollination.
Rate of growth - and growing rapidlyin youth.
Tolerance - do not tolerate shading and dry atmosphere. Resistant to cold and air pollution.
Requirements - Reaven soils in sunny exhibitions.
Propagation - by seeds, in September, immediately after harvest. Spread seeds on the soil surface and then cover it with leaves.
Cultivars - elegans'''- thin branches, recurbate from the base, pendula stems, small leaves.
Properties and Uses - ornamental species, crown shape and color through decorative bark, in parks and gardens.
Yellowish white wood without heartwood, light, elastic, soft.
The bark is rich in tannins, is used in cosmetics.
Trees and shrubs
Pinus coulteri D. Don
Monoecious tree, 15-25 m high, trunk 40-120 cm diameter, wide crown, pyramid, iregulata. Bark gray-brown, streaked andanc with solxi long iregulati. Branches ascending, stalk yearly thin, brown-purple, glauca, rugosa, become black after several years.
Prunus cerasifera - corcodus
Prunus cerasifera - is grown for its edible fruit jams are made and cultivars and varieties are found all over the world species grown as ornamentals in parks and gardens, or green street.
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.
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.
Thunbergia alata - black-eyed Susan
Thunberg spelled - a species native to tropical Africa, but common as ornamental plants.
Prunus armeniaca - apricot
Prunus armeniaca - shrub or small tree, native of northeastern China, knew and cultivated worldwide for its edible fruit.
The seeds of Prunus armeniaca extract oil used in perfume industry, cosmetics and pharmacy.
Succulent perennial. Short stem with a rosette of leaves at the base. The leaves are 5-7.5 cm long, obovata-spatulate, concave, tomentoase. Blossom side, 20-30 cm long, flowers campanulata, yellow-orange, 5 SEPA, 5 petals, 10 stamens.
Tree 15-40 m high, trunk 1 m in diameter. Subsesile leaves or stalks, stalks up to 3 cm long, glabru or glabrescent; language to narrow obovata ovata, ovat-lanceolata, 6-15 x 2.5-7 cm, margins evening, the round, top-acute acuminata.