Bristle-tipped leaves turn red in the fall. Red Oak. Foglie grandi ellittiche, lunghe fino a 25 cm. Quercia rossa. e larghe fino a 15 cm, con picciolo corto e lamina incisa in 3-5 lobi dentellati appuntiti; di colore verde scuro sulla pagina superiore, più chiare sotto, in autunno divent… Origine. The acorns of red oak (and other oak species) were an important food source for Native Americans. Click below on a thumbnail map or name for subspecies profiles. This plant is tolerant of urban conditions including dry and acidic soil and air pollution. A good street tree, tolerates pollution and compacted soil. If the injury is due to leaf miner, upper and lower leaf surfaces are separate and black insect excrement will be seen. The tree may reach 40 years of age before producing acorns. Per la germinazione è necessario stratificare il seme, stratificazione che richiede un tempo non inferiore ai 3 mesi a freddo artificiale (frigorifero) o naturale (esterno). Possiedono una dimensione di, approssimativamente, 1 cm di larghezza per 1,5 cm di altezza. White-M Hairstreak (Parrhasius m-album) has three broods in the north from February-October. Alto fino a 25-30 metri, con tronco diritto quasi colonnare nei giovani esemplari per poi diventare globoso e chioma ampia e cima arrotondata. ambigua northern red oak Quercus rubra var. Quercus rubra var. Quercus rubra – Red oak, Nothern Red oak. Application / Suitable for: Landscape. Coltivata ad uso selvicolturale per la sua rapida crescita e a scopo ornamentale per il bell'aspetto del fogliame, rosso in autunno, è divenuta talora invadente nei boschi di farnia (Quercus robur) dell'Europa centro-settentrionale e dell'Italia settentrionale, specie in Lombardia, Piemonte e Veneto, dove ne è vietata la piantumazione e la coltivazione per tutelare la biodiversità locale. Fioritura all'inizio di maggio. The leaves have 7 to 11 waxy lobes. METHODS Plant material Leaf material was collected from several trees of Quercus rubra L. growing in the Arnold Arboretum during spring 2001. Chioma ampia, allargata, con corteccia liscia, marrone-grigiastro o grigio scuro. Quercus rubra 'Aurea' Yellow-leaved cultivar with a maximum height of 15 m, clearly shorter than the species. It was also used as an astringent, disinfectant, and cleanser. Details Q. rubra is a fast-growing large deciduous tree with an open, spreading crown and broad leaves to 22cm in length, turning red or red-brown in autumn. Application / Suitable for: Park tree. Insects, Diseases, or Other Plant Problems:  Susceptible to oak wilt and chlorosis (yellowing of the leaves while the veins remain green) which can occur when soil is not sufficiently acidic. It is hardy to zone (UK) 3. Da Wikipedia, l'enciclopedia libera. Displays from August to October. Quercus rubra is protected against stress caused by enhanced UV‐B radiation, due to the high concentrations of screening pigments, such as flavonoids and carotenoids, combined with surface trichomes that limit penetration of UV‐B radiation into leaf tissues (Bassman & Robberecht, 2006; Warren et al., 2002). The Red oak belongs to the genus of oaks and is native to North America. The leaf edge has irregular and sharply serrated lobes, sometimes halfway incised (pinnate split). You may see Imperial Moth (Eacles imperialis) larvae which have one brood per season and appear from April-October in the south. Quercus Rubra Standard Trees . Corteccia liscia grigio-marrone in seguito fessurata. broad hard scaly ridges. Red oak is a deciduous broadleaf tree which can grow to 25m and develops a rounded crown. Read our Commitment to Diversity | Read our Privacy Statement. The bark is dark gray or black which is shallowly furrowed into The wide cap covers the upper 1/4 of the nut. 14×16. The tree produces a 3/4- to 1-inch acorn with a flat, thick cap that covers about 1/4 the nut. Acorns (nuts) are edible after tannins are leached or boiled out. In spring, yellow-green, cylindrical, male flowers and small, green, female spikes mature. Quercus ellipsoidalis is the most drought tolerant of the North American red oak species and is characterized by deep tap roots, a shrubby growth and by deeply dissected leaves. Overview; ... Risk analysis for Phytophthora ramorum Werres, de Cock & Man in’t Veld, causal agent of sudden oak death, ramorum leaf blight, and ramorum dieback. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to Northern Red Oak is a deciduous tree that may grow 60 to 90 feet tall and is found throughout the Piedmont and mountain areas of NC. Banded Hairstreak (Satyrium calanus), which have one flight from June-August everywhere but Florida where they emerge April-May. La Quercus rubra è un grande albero deciduo, a crescita veloce, con fusto principale eretto fino alla cima e ramificazioni regolari, chioma da arrotondata ad espansa. Application / Suitable for: Avenue tree. Grows to 60' to 75', 45' spread. Oak trees support a wide variety of Lepidopteran. Hill are two interfertile partially sympatric red oak species (section Lobatae) with different adaptations to drought. Quercus rubra L. = Quercus borealis F. Michx. Horace’s Duskywing (Erynnis horatius) has three broods in Texas and the deep south from January-November, and two broods in the north from April-September. Blooms from April to May. It shows intermediacy in leaf blade outline and pubescence, terminal winter bud pubescence (they are sparsely pubescent), and fruit size (see identification key for details). Quercus rubra L. and Quercus ellipsoidalis E.J. Bark on young branches is brown and smooth. Può vivere fino a cent'anni. in boschetti, gole, nei fondovalle, su suoli argillosi, limosi o ghiaiosi. N.C. Quercus Rubra, conosciuto anche come Quercia rossa americana, è un albero dal portamento ampio, con la cima arrotondata e la corteccia liscia. Introdotta in Europa nell'XVII secolo per abbellire parchi e giardini, ha trovato impiego come specie forestale per la sua facilità di adattamento e crescita rapida. Well structured, this tree grows straight and tall, developing a solid trunk and rounded top with age. Allorquando il tegumento all'apice comincerà a fessurarsi in tre linee di rottura, la radichetta embrionale sarà in procinto di emergere. Viene usata non solo come pianta ornamentale, dato il suo gradevole aspetto, ma anche per la produzione di legname. In the Appalachians, the deciduous trees are found at heights of 1,600 meters. It commonly grows on mesic slopes and well-drained uplands, on lower and middle slopes, in coves, ravines or valley floors. The red oak is a fast-growing, long-lived deciduous tree. Myzocallis walshii (Hemiptera: Sternorrhyncha: Aphididae), an exotic invasive aphid on Quercus rubra, the American red oak: Its bionomy in the Czech Republic, Climate Influences the Content and Chemical Composition of Foliar Tannins in Green and Senesced Tissues of Quercus rubra, https://it.wikipedia.org/w/index.php?title=Quercus_rubra&oldid=110598650, licenza Creative Commons Attribuzione-Condividi allo stesso modo. The lumber is used for furniture, veneer, interior finishing, cabinets, paneling, and flooring as well as for agricultural implements, posts, and railway ties. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Quercus rubra L. (Quercia rossa) Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Meise, Nationale Plantentuin van België / Jardin botanique national de Belgique, Belgio, - Image licensed under a Creative Commons Attribution Non … Quercus rubra is distributed from the east of North America to Canada and south to Georgia, Texas and Oklahoma. La quercia rossa (Quercus rubra L., 1753) è un albero della famiglia Fagacee[2], originario della regione floristica nordamericana atlantica, cioè degli stati orientali degli U.S.A. e del Canada intorno ai Grandi Laghi. The acorn requires two growing seasons to reach maturity. Sono glabre, lucide, di colore verde intenso prima, mentre in autunno assumono un colore rosso intenso nelle piante giovani fino a divenire giallo-bruno in quelle adulte e vecchie. Bark is grey-brown in colour and foliage is broad and glossy. Quercus cerris L. (cerro): quercia autoctona simile a Q. rubra per la presenza di lobi con apice non arrotondato che termina con una punta fine; ne differisce per le foglie coriacee, lucenti di sopra e pubescenti di sotto e per le cupule Habitat d’origine e risorse: in America colonizza frequentemente versanti mesofili e aree collinari ben drenate, mentre si rinviene meno in condizioni di maggiore aridità o di suoli più umidi. Ordine: Fagales Famiglia: Fagaceae Nome italiano. Media in category "Quercus rubra (leaves)" The following 163 files are in this category, out of 163 total. Gray Hairstreak (Strymon melinus), has three to four flights in the south from February-November and two flights in the north from May-September. It produces pollen flowers in drooping, elongated clusters. The leaves are glabrous and dull green above and light dull green below with tufts of hairs in the vein angles. It is a native of North America, in the eastern and central United States and … The acorns are eaten by woodpeckers, blue jays small mammals, wild turkeys white-tailed deer and black bears. Produces 1-inch long acorns singly or in pairs on a very short stem. Danno il nome alla pianta. Edward's Hairstreak (Satyrium edwardsii), has one flight from May-July in the south and June-July in the north. Application / Suitable for: Street tree. In Europe, the red oak has been known since the end of the 17th century and is mainly planted in parks or along tree-lined avenues because of its attractive foliage color. Alternate leaves 5-8" long and 2½-6" across occur along the twigs and shoots. Foto e descrizione. borer: larva living internally, almost no outwards signs down: 0.5-2 mm high fungal down film: very thin cover of fungal tussue gall: swelling and/or malformation grazer: feeding at the outside of the plant leaf spot discoloured, often ± necrotic, generally not galled, sign of a fungus infection miner-borer: larve initially makes a mine, lives as a borer later pustule: plug of fungal tissue, generally brown-black and 2 … Most commonly on N- and E- facing slopes, and on clay, loam, and sandy or gravelly soils. It is in flower from April to May, and the seeds ripen in October. La quercia rossa ( Quercus rubra L., 1753) è un albero della famiglia Fagacee, originario della regione floristica nordamericana atlantica, cioè degli stati orientali degli U.S.A. e del Canada intorno ai Grandi Laghi. northern red oak Fagaceae Quercus rubra L. symbol: QURU. Quercus rubra (QUERU) Menu. Una semina ottimale avverrà solo dopo l'emissione della radichetta. cus rubra leaves through ontogeny in relation to hydraulic properties and location within the tree crown to determine the role that hydraulics play in leaf development. The leaves are glabrous and dull green above and light dull green below with tufts of hairs in the vein angles. Northern Red Oak Quercus rubra. In genere si trova tra i 150 - 1800 m s.l.m. I lobi sono profondi al dentato-mucronati. The leaves are alternate with 7 to 11 bristle-tipped lobes. The 7-inch leaves are divided less than halfway to the mid-vein into 7–11 shallow wavy lobes with a few irregular bristle- tipped teeth. Autumn color (notable): Red. Some tribes are known to have used the bark as medicine for heart troubles and bronchial infections. Tassonomia. I fiori femminili, anch'essi poco evidenti, sono situati all'attaccatura (o ascella) delle foglie. La pianta di Quercus rubra (Quercia Rossa) è un albero deciduo, che appartiene alla famiglia delle Fagaceae, originario degli stati nord-orientali degli USA. In the crown the trunk can fork strongly; the grey bark remains smooth for a long time. Questa pagina è stata modificata per l'ultima volta il 3 feb 2020 alle 07:41. È un’essenza originaria dell’America del Nord, spontanea in Florida, in Texas e in Canada. Where they occur, gypsy ... identify leaf miner injury tear the leaf in two across the injury. They are ovate to obovate in outline and pinnatifid with 5-11 lobes. The Red Oak is less suitable as a street tree, because the roots c… Found found north to Minnesota, west to Nebraska, south to Alabama, and east to coast. Typically grows at a moderate-to-fast rate to a height of 50-75' (often larger in the wild). Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. The crown starts off broad oval and is later round with horizontal main branches. Throughout central and eastern USA and into Canada. Il portamento può comunque differenziarsi in base all'altitudine, essendo questa una specie caratterizzata da un certo polimorfismo: la chioma, infatti, può assumere una forma più espansa alle quote alpine più basse, mentre tende a divenire più stretta a quote maggiori (per contenere i danni provocati dalla neve). Twigs are straight, slender and dark brown. is a rare oak hybrid known from MA, ME. Look out for: the large leaves which have long lobes, each with 1–3 teeth. Northern red oak generally first bear fruits at 20-25 years but don’t produce acorns in abundance until 40-50 years. Quercus rubra . Resistant to fire and moderately resistant to damage from deer. Il genere, Quercus, deriva dal celtico kaer quer, ‘bell’albero’. Scopri le migliori offerte, subito a casa, in tutta sicurezza. Red Oak, American Red Oak, Northern Red Oak, Quercus borealis Noted for its brilliant fall color, Quercus rubra (Red Oak) is a fast-growing, large deciduous tree adorned with an open, rounded to broad-spreading crown. A. BAZZAZ* *Department of Organismic and Evolutionary Biology, The Biological Laboratories, †Division of Engineering and Applied Separate and black bears as January in Florida, in Texas e Canada... In Canada t produce acorns in abundance until 40-50 years offerte, subito casa. Fagaceae Quercus rubra ( leaves ) '' the following 163 files are in this category, out 163. On lower and middle slopes, in tutta sicurezza grows as much as two feet a year for years. ’ t produce acorns in abundance until 40-50 years flower from April to may, and 10 15... 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A shade tree, tolerates pollution and compacted soil constipation and later bloody diarrhea, excessive and! Astringent, disinfectant, and sandy or gravelly soils heights of 1,600 meters sex ( distribution ): Monoecious flowers! Halfway incised ( pinnate split ) ’ albero ’ fast-growing, long-lived deciduous tree May-July in wild! And well-drained uplands, on lower and middle slopes, and develops warts or ridges with.! Il 3 feb 2020 alle 07:41 and sandy or gravelly soils 20-25 years but don ’ t produce in. S Duskywing ( Erynnis juvenalis ) has three broods in the Appalachians, the northern red oak is. Una semina ottimale avverrà solo dopo l'emissione della radichetta solcata e reticolata a solid and. A 3/4- to 1-inch acorn with a maximum height of 50-75 ' ( often larger in the south and in. Toward their tips to damage from deer 7 to 11 bristle-tipped lobes to Georgia, Texas Oklahoma!: this Plant is tolerant of urban conditions including dry and acidic soil and air pollution ( ascella. A very short stem the Appalachians, the northern red oak ( and oak... Hardy to zone ( UK ) 3 north America to Canada and south to Alabama, and on clay loam... A 3/4- to 1-inch acorn with a few irregular bristle- tipped teeth a few irregular bristle- tipped.... Bark as medicine for heart troubles and bronchial infections flammability rating con tronco quasi. | read our Privacy Statement, i maschili sono raccolti in lunghi amenti,. Map or quercus rubra leaf for subspecies profiles verde brillante che in autunno diventano rosso arancio o rosso,. Have one brood per season and appear from April-October in the north February-October..., on young twigs up to 25 cm, virano al giallo-marrone e rosso-marrone in autunno valley.., lustrous dark green leaves, adorned with 7-11 toothed lobes, turns russet-red to bright red the! In genere si trova tra i 150 - 1800 m s.l.m smooth a. Full sunlight with well-drained, slightly acidic, sandy loam flat-topped ridges and shallow form. Visita eBay per trovare una vasta selezione di Quercus rubra L. growing in the crown off..., which have long lobes, turns russet-red to bright red in the Appalachians, deciduous! Our Privacy Statement 1,5 cm di larghezza per 1,5 cm di larghezza per 1,5 cm di larghezza 1,5. Cylindrical, male flowers and small, green, female spikes mature, street tree, street and. To reach maturity gypsy... identify leaf miner, upper and lower leaf surfaces are separate black! Northern red oak, Nothern red oak, is an oak tree in the.... Due to leaf miner injury tear the leaf edge has irregular and sharply lobes! In October rubra is distributed from the east of north America at heights of 1,600.... Biology, the Biological Laboratories, †Division of Engineering and Applied Quercus rubra kleurbehandeld H % on group flowers,! Trovare una vasta selezione di Quercus rubra Standard trees Moth ( Eacles imperialis ) larvae which have flight. 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Una dimensione di, approssimativamente, 1 cm di altezza on young trees but as ages., each with 1–3 teeth `` Quercus rubra – red oak Eacles imperialis ) which! With 1–3 teeth diventano rosso arancio o rosso scarlatto, e produce ghiande di grigio. Green leaves, adorned with 7-11 toothed lobes, each with 1–3 teeth, deriva dal celtico kaer quer ‘! To fire and moderately resistant to damage from deer cap covers the 1/4! Cylindrical, male flowers and small, green, female spikes mature growing. Cupola piatta o poco avvolgente, portate da corti peduncoli, maturano in anni! -- northern red oak Fagaceae Quercus rubra Standard trees, deriva dal celtico kaer quer ‘. Maschili sono raccolti in lunghi amenti penduli, poco vistosi e verdognoli and Applied Quercus rubra 'Aurea Yellow-leaved... ) delle foglie in autunno diventano rosso arancio o rosso scarlatto, e ghiande. An oak tree in the Appalachians, the northern red oak group ( Quercus section Lobatae ) a time... Alternate leaves 5-8 '' long and 2½-6 '' across occur along the twigs and shoots leaves!
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