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Quercus

Plants Queensland NutQuercus Coccifera

Quercus agrifolia
Coast Live Oak, California Live Oak
Wide-spreading, large-trunked Oaks are known for their long life, strength and majestic beauty. They have many forms, but are mostly deciduous trees and some shrubs.

 


Quercus lanata or Woolly-leaved Oak is a species of Quercus native to the Himalaya. Trees to 30 m tall, evergreen.
[edit] External links
Quercus lanata at the Encyclopedia of Life ...

Quercus ilex (Holly Oak)
4 (15)m, Holly Oak is an evergreen half hardy tree from rocky soils and is found throughout the Mediterranean region.

Quercus alba
White Oak
Fagaceae
Located at top of Great Lawn near flagpole and old chemistry building.

Quercus coccinea Fagaceae
Scarlet Oak KWER-kus kok-SIN-ee-a
Deciduous tree, 70-80 ft (21-24 m), pyramidal, horizontal branches, branches generally not large. Lower branches generally do not sweep downward as pin oak (i.e., less pruning). Leaves 7.

Quercus virginiana
.
Live Oak
Description
One of the most popular landscape trees in the south the Live Oak is a massive and wide spreading, reaching up to 100 feet in width.

Quercus suber. CORK OAK. Mediterranean
FAGACEAE (Oak or beech family)
Cork oak leaves are gray underneath and toothed, and the acorns are not particularly bitter. The bark is very interesting.

Quercus alba
( White Oak )
Spreading, deciduous tree with peeling, gray to brown bark. The obovate, oblong, or elliptic, deeply lobed, green leaves, to 9 inches long, are often tinged with pink when young. Leaves turn purple-red in the fall.

white oak Fagaceae Quercus alba L.   symbol: QUAL

Leaf: Alternate, simple, oblong to ovate in shape, 4 to 7 inches long; 7 to 10 rounded, finger-like lobes, sinus depth varies from deep to shallow, ...

Quercus turbinella (Sonoran Live Oak)
Fagaceae (Beech Family)
Leaves, which are quite distinctive and lovely, are about a half inch wide and an inch long, much smaller than those of the very common Quercus gambelii.

Quercus ellipsoidalis
Northern Pin Oak
Northern Pin Oak
Photo courtesy Wisconsin State Herbarium and Emmet J. Judziewicz ...

Quercus lobata is the largest US native oak.
Blooming Habits:

Fruiting Habits:
The acorns of the Valley Oak are slender, bullet shaped, 1.2 to 2.0 inches long (3-5 cm) and 0.5 to 0.8 inch wide (1.2-2.0 cm). They ripen in a single year.

Quercus falcata var. pagodifolia, cherrybark oak, has pagoda shaped leaves with 5-11 shallow lobes and smooth, tight bark with low ridges, like a cherry tree (Prunus serotina, for example).

Genus: Quercus
Species: alba
The White Oak tree can grow from 80 to 100 feet tall ,3 to 4 feet in diameter around the trunk and can spread from 50 to 80 feet. The Oak tree grows upright and its bark is whitish gray .

We did not quickly realize the tree destined to fill this purpose would be a Pin Oak (Quercus palustris).

Quercus chrysolepis Liebman
FAGACEÆ; Beech Family
More than 500 species of Quercus exist, including many evergreen ones. The Canyon Live Oak is from SW Oregon, California and the Southwest.

Quercus
Common Name: Oak
About Oaks
Oak is the common name for several hundred species of the genus Quercus. They are native to the northern hemisphere and include both deciduous and evergreen species.

Quercus species
Trees and Shrubs, Bonsai
Germinates readily from acorns sown in fall; protect from rodents. May also soak acorns overnight, stratify 2-3 months, and sow in spring. Air layering in summer.

Quercus laurifolia is located throughout the southeastern United States and as far north as Pennsylvania (Kartesz, 1999).
View the herbarium specimen image of the University of Florida Herbarium Digital Imaging Projects.

Quercus robur (L)
Synonyms: tanner's bark, common oak, British oak
...

Quercus gambelii. Gambel Oak. Grand Staircase-Escalante National Monument. Utah.
Botany in a Day
There are more
Citrus Family pictures
at the Texas A&M Biometrics Experimental Database.

Oaks (Quercus species) are important trees in South Carolina. In general, the deciduous species are more common from the Midlands north, while the evergreens favor conditions in the Coastal Plains.

Oaks (Quercus) are the preferred host, though other susceptible species include apple (Malus), alder (Alnus), aspen (Populus), basswood or linden (Tilia), hawthorns (Crataegus) and willows (Salix) are also damaged.

(Quercus Robur)
Click on graphic for larger image
The Oak is noted for the slowness of its growth, as well as for the large size to which it attains.

(Quercus palustris Muenchh.)
LEAVES: Alternate, simple, 4"-6" long. to 4" wide, with 5-7 narrow, bristle-tipped lobes, sinuses between the lobes deep (over half-way to the mid-rib) and rounded at the base; leaf surfaces smooth, ...

Laurel Oak (Quercus laurifolia)
Laurus nobilis
Lavandula
Lavandula angustifolia
Lavandula angustifolia 'Dutch'
Lavandula angustifolia 'Hidcote'
Lavandula angustifolia 'Lady'
Lavandula angustifolia 'Munstead'
Lavandula dentata
Lavandula multifida ...

Subject : Quercus
Links
To add a link to another website with useful info add the details here ...

Bur oak
(Quercus macrocarpa)
Zone 3
22 to 30 x 22 to 30
More tolerant of pollution than most oaks; difficult to transplant; yellow-green fall foliage ...

Garry oak
Quercus garryana
An attractive tree with thick, grooved, scaly, greyish-black bark and a round spreading crown; grows up to 20 metres tall.

White oak bark(Quercus alba)
Wild cherry (Prunus spp.)
Willow (Salix spp.)
Yarrow (Achillea millefolium)
Yellow dock (Rumex crispus/obtusifolius) ...

Note: almost completely eliminated as a large tree as a result of Chestnut Blight.
Oaks/ Quercus L.
alternate or whorled arrangement.
leaves simple.
monoecious ...

43. Bur Oak
(Quercus macrocarpa)
Other Common Names: Prairie oak, Mossycup Oak, Mossycup White Oak
Family: Fagaceae ...

FIG. 3. - Cupule of Quercus Aegilops. cp, Cupule; gl, fruit. (After Duchartre.) FIG. I. - Proliferous Rose.
Sepals transformed into leaves.
Petals multiplied at the expense of the stamens, which are reduced in number.

Acebo - Quercus ilex
Acebo menor - Ruscus aculeatus
Acedera - Rumex acetosa
Acederilla - Oxalis acetosella
Acederilla aleluya - Oxalis corniculata
Aceite de Argán - Argania spinosa
Aceite de Macassar - Schleichera trijuga
Aceituno - Olea europaea ...

[Plate 3] Acorn " The specialized fruit of members of the genus Quercus (oaks) that is composed of a nut with a cap of overlapping rows of scales [Plate 11] Actinomorphic " Radially symmetrical; ...

English oak Quercus robur
English plantain; lance-leaved plantain Plantago lanceolata
erect hedge-parsley Torilis japonica
Etruscan honeysuckle Lonicera etrusca
Eurasian watermilfoil; spiked watermilfoil Myriophyllum spicatum ...

Pyracantha coccinea Scarlet Firethorn Pyracantha x 'Mohave' Mohave Firethorn Pyrus calleryana 'Aristocrat' Aristocrat Pear Pyrus calleryana 'Bradford' Bradford Pear Pyrus calleryana 'Capital' Capital Pear Botanical Name Common Name Quercus ...

any tree or shrub of the genus Quercus of the family Fagaceae (beech family). This complex genus includes as many as 600, found chiefly in north temperate zones and also in Polynesia.

It differs from southern red oak (Quercus falcata) by having more lobes which are not as curved and which are cut no more than half-way to the middle. The base of the leaf is not U-shaped.

Mainly affects pedunculate oak (Quercus robur)
Progressive deterioration of the crown, taking many years or even decades
Deterioration begins with leaves become paler and smaller
Twigs start to dieback, followed by small branches ...

White Poplar (Populus alba) Cottonwood (Populus deltoides) Lombardy Poplar (Populus nigra 'Italica') Potentilla White Oak (Quercus alba) Bur Oak (Quercus macrocarpa) Red Oak (Quercus rubra) Black Locust (Robinia pseudoacacia) Spirea vanhouttei ...

Acer saccharum, Fraxinus americana, Ostrya virginiana, Parthenocissus quinquefolia Prunus virginia, Quercus rubra, Sambucus canadensis, Tilia americana, Allium tricoccum, Claytonia virginica, Dentaria laciniata, Dicentra cucullaria, Galium aparine, ...

Latin: Quercus phellos
Size matters. If there is room in the landscape, one should always plant trees that will reward one with grand stature and become a lasting monument to the person who had the forethought to plant them.

Blackgum, Black Tupelo (Nyssa sylvatica) - intense red
White Oak (Quercus alba) - deep red
Pin Oak (Quercus palustris) - deep red/maroon
Red Oak (Quercus rubra) - deep red/maroon
Baldcypress (Taxodium distichum) - golden brown ...

Hydrangea comes from the Greek words hydor for water and aggos for jar, which refers to the cup-shaped fruit. The name for the species, quercifolia, comes from the Latin word quercus (pronounced KWER-kus) for oak.

durch massives Auftreten von Polyphenolen, Gerbstoffen und pentacyclischen Triterpenen charakterisiert.
Hierher gehören vor allem Bäume und Sträucher der gemäßigten Nordhalbkugel, etwa Eiche (Quercus robur ) und Walnuß (Juglans regia).

genetic diversity always exists within a species, and adding to this is the fact that members of the Red Oak Group often cross-hybridize, resulting in a greater mixing of the gene pool. This tree may actually be a hybrid with Black Oak (Quercus ...

It has tiny erect yellow catkins in spring and the spring leaves have purple-red tints in some cases. Several oak trees have leaves that are yellow on their underside and these include an oak tree from Cyprus, Quercus alnifolia.

Pseudotsuga tnenziesii (Douglas fir) clone, Quercus palustris Sovereign, and Acer rubru cultivar graft failures have been reported. The incompatibility problem between A. rubrun cultivars and A.

See also: Oak, Green, May, Acorn, Evergreen