Denumire stiintifica – Liriodendron tulipifera

Sinonime –

Denumiri populare – yellow-poplar, tulip poplar, tuliptree

Distributie si Habitat – originar din America de Nord.

Descriere – arbore monoic, 21-24 m inaltime; scoarta gri deschis, neteda in tinerete, mai tarziu se fisureaza longitudinal. Lemnul este usor, usor de lucrat, si adaptabil. Lujeri anuali sunt maronii. Frunze alterne, tri-lobate, lobul treminal este emarginat-truncat. 3 sepale, caduce, verzi, iar toamna sunt galbene. 6 petale, campanulate, verde pal cu pata galben-portocalie. Carpele imbricate, indehiscente, decidue. Infloreste in aprilie-iunie. Fruct samara aripata, in agregat, decidua, indehiscenta.

Rata de crestere – moderata. Prima data infloreste dupa 15-20 de ani pana la 200 de ani.

Tolerante – nu tolereaza arsita, seceta si aerosoli marini.

Cerinte – soluri moderat fertile, preferabil usor acide, umede, dar bine drenate, in plin soare sau semiumbra.

Management -

Propagare – prin seminte, toamna, in containere in sera rece, Semintele se stratifica 90 de zile. Semintele germineaza bine pe soluri bogate in materie organica bine descompusa. Dupa germinare trebuie protejati de vant si inghet. Se seamana la 1 cm adancime, la 20 ˚C, ar trebui sa germineze in 30-60 de zile.

Boli si daunatori – Botryosphaeria dothidea, Cephalosporium sp., Cylindrosporium cercosporioides, Fusarium solani, Gloeosporium liriodendri, Mycosphaerella liriodendri, Nectria magnoliae, Phyllactinia corylea, Verticillium albo-atrum.

Parteneri naturali si de gradina – 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.

Cultivaruri si varietati – ‘Aureomarginatum’ frunze cu margini galben-aurii; ‘Fastigiatum’ coroana ingust conica, ‘Mediopictum’ frunze verzi cu o pata verde-galbuie pe mijloc, ‘Purgatory’ frunze iregulat variegate cu galben pal.

Proprietati si Utilizari –

Mit, Legenda si Folclor -

Bibliografie

Jacqueline Heriteau Ms – Complete Trees, Shrubs & Hedges – Creative Homeowner, 2005

John R. Hartman, Thomas P. Pirone, Mary Ann Sall – Pirone’s Tree Maintenance – Oxford University Press, 2000

Mary E. Wharton, Roger 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