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
Carpinus betulus - hard wood shaft with durable but less humid conditions. Suprta trimming and better suited for bonsai training.
Evergreen tree, 15-20 m high. Leaves simple, alternate, coriacee, limb oval edge gear, 2.5-5 cm long, short stalks. Flowers arranged in dense corymb, hermaphrodite, pentamere, white, 1.5 cm in diameter, calyx of 5 SEPA. Fruit capsule, containing 10-20 seeds.
Robinia pseudoacacia - Acacia
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.
Rosa moschata 'Mozart'
Rosa moschata 'Mozart' is an antique rose, used as an ornamental species, solitary or in groups of 2-4 plants.
Areca catechu L.
Popular names - English: Areca, Areca-nut, betel nut palm, French: cachou falling within subheading, Arequier, German: Betelnusspalme, Guam: pugua, India: Pan, Spanish: catechou hand, Yap: bu.
Areca catechu - originating in eastern Africa, southern Asia and the Pacific Islands. Grows in tropical climates at altitudes from 0 to 900 m.
Thlaspi montanum L.
Thlaspi montanum var. montanum is toxic and cause death of larvae of Pieris rapa.
Thlaspi montanum var. siskiyouense is a serpentine endemic from southwestern Oregon.
Quercus cerris L. - Turkey Oak
Quercus cerris - a species native to south-eastern Europe, cultivated as an ornamental tree, singly or in small groups.
Bergen crassifolia (L.) Fritsch.
Herbaceous perennial forms a bush evergreen basal leaves, stems florifere up to 50 cm tall, dark purple. Leaves 25 cm wide, or elliptic obovata language, rim around the base cuneata, top obtuse, long petiole, 3-9 cm long. Panic blossom, flowers pink or dark pink open.
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.
Ceratonia siliqua L.
Dioecious tree, 8 meters high. Body iregulat, erect with the latita. Gray-brown bark with longitudinal fissures. Vast and dense crown. The branches are fine young tomentoase become glabrata with timpu. Leaves persistent, alternate, paripenat-compound, with 2.5 pairs of Folio, ovata, coriacee, margin entire, glossy dark green on the upper