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
Dasiphora fruticosa - deciduu shrub, native of Asia, grows on wet soils and wet rocks.
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.
Acer platanoides - norway maple
Acer platanoides - used as an ornamental species in parks and gardens, but also the green street.
In the United States was introduced around 1700 in East Pensilveniei. It was introduced as ornamental species, the green street, in many areas of culture out of control and become invasive species.
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.
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.
Primula cousin - cuckoo boot
Primula cousin - Herbaceous perennial with cylindrical rhizome, native to Europe and Asia, grows through meadows, sunny pastures, edges of woods, from hills to the alpine region.
Aster amellus - a species native to Europe and Asia, common in the collinear, dry and sunny at the edge boschetelor grow on limestone bedrock, from 0 to 800 m altitude.
New species of Dianthus (Caryophyllaceae) found in Turkey
In Turkey the genus Dianthus consists in 71 species, two subspecies and 12 varieties (Reeve, 1967, Davis, Mill & Tan, 1988; Guner et al., 2000; Menemeni & Hamzaoglu, 2000; Aytaç & Duman, 2004).
Cornus sanguinea grows throughout Europe, rarer in the north, in the thicket, forest edges and edges of streets, from plain to 1000 m altitude.