Scientific name - Liriodendron tulipifera
Popular names - yellow-poplar, tulip poplar, tuliptree
Distribution and Habitat - originating in North America.
Description - monoecious tree, 21-24 m tall, bark gray, smooth in youth, later fisureaza lengthwise. The wood is light, easily worked, and adaptable. Stalk sheet are brown. Leaves alternate, tri-lobate, lobe treminal is emarginat-truncated. 3 SEPA, obsolete, green and yellow autumn. 6 petals, campanulata, pale green to yellow-orange stain. Nested rags, indehiscente, decidue. Blooms in April-June. Fruit Samara wing, in aggregate, decide indehiscenta.
Growth rate - moderate. First blooms after 15-20 years to 200 years.
Tolerances - not tolerate arsita, drought and marine aerosols.
Requirements - moderately fertile soils, preferably slightly acidic, moist but well drained, in full sun or semiumbra.
Propagation - the seeds fall in containers in greenhouses, cold stratify seeds is 90 days. The seeds germinate well in soils rich in well-decomposed organic matter. After germination should be protected from wind and frost. It looks at 1 cm depth at 20 ˚ C, should germinate in 30-60 days.
Diseases and pests - Botryosphaeria dothidea, Cephalosporium sp., Cylindrosporium cercosporioides, Fusarium solani, Gloeosporium liriodendri, Mycosphaerella liriodendri, Nectria magnoliae, Phyllactinia corylea, ALBO-atrum Verticillium.
Natural partners and garden - Acer rubrum, Betula alleghaninesis, Cornus florida, Fraxinus americana, Juniperus virginiana, Liquidambar styraciflua, Nyssa sylvatica, Oxydendrum arboreum, Pinus strobus, Prunus serotina, Quercus velutina, Taxodium distichum, Tsuga canadensis.
Cultivars and varieties - 'Aureomarginatum' leaves and yellow-gold edges; 'Fastigiatum' narrow conical crown, 'Mediopictum' green leaves with a green-yellow stain in the middle, 'Purgatory' Variegata iregulat leaves with yellow.
Properties and Uses --
Myth, Legend and Folklore --
Herit Ms. Jacqueline - Complete Trees, Shrubs & Hedges - Creative Homeowner, 2005
John R. Hartman, Thomas P. Piron, Mary Ann Sall - Piron's Tree Maintenance - Oxford University Press, 2000
Mary E. Wharton, Pleaseer W. Barbour - Trees and Shrubs of Kentucky - University Press of Kentucky, 1994
Michael A. Dirr - Dirr's Hardy Trees and Shrubs - Timber Press, 1997
Ronald Houtman, Royal Boskoop Horticultural Society Staff - Variegated Trees and Shrubs - Timber Press, 2004
Trees and shrubs
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.
Bonsai of Araucaria heterophylla
Polygala chamaebuxus - perennial, evergreen, subfrutescenta, native to Central, Eastern and South-East, it grows on rocky places in alpine floor.
Acacia sieberiana - tree, 3-25 m tall, rounded crown. Increase in savannah, in semi-arid regions of Africa, from 0-1850 m altitude.
Alnus incana (L.) Moench - white alder
Mano tree or shrub that can reach 20 m, with stem often crooked, crown with branches thick, upward, lush foliage, lujerii in young gray, pubescent. Bark smooth, shiny, whitish gray, the old copies, to the base with shallow cracks. Wide elliptical leaves up to ovata, by 4.10 cm long, 4-6 cm wide, rounded to the double needle and lobe, pointed, gray green face, white inside gray, furry, ready alternative.
Gentiana verna L.
Gentiana verna - a species native to southern central Europe, Russia, England and Ireland, increasing the Alpine and subalpine meadows, wetlands, from 400 to 2600 m altitude.
Bush or undergrowth, 30-60 cm. Leaves petiolate, oblong-elliptic, entire, 25-30 x 7-10 cm, spiny-toothed, crenate or sinuous lobate, grooved records and white ribs. Blossom terminal or axillary, pyramidal spike. Flowers Sesi, yellow bractei large to ovata lanceolata. Calyx 8-10 mm. Corola yellow, 3.8-5 cm, corolla tube 3-3.5 cm, upper petal is erect, about 8 mm, biloba, lower petal is tri-lobate
Perennial species, 30 cm height, 60-90 cm diameter, forming a dense bush covering the ground well. Leaves linear-lanceolata, margin entire, shiny dark green, 2,5-4 cm long x 3.6 mm wide. Flowers white, 4 petals, blossom type corymb, 9 cm diameter, January-June period of prosperity. Fruit silicula, 7 mm long.