11
May
2009
Liriodendron tulipifera - tulip tree
Trees and shrubs | Magnoliopsida

Scientific name - Liriodendron tulipifera

Synonyms --

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.

Management --

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 --

References

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

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