There are approximately 450 specie of oak trees ( Quercusspp . ) that occur in temperate areas around the globe , of which about 60 are aboriginal to North America .
Oak tree diagram leaves can be used for metal money identification . To distinguish an oak Sir Herbert Beerbohm Tree by leafage , note the size of the foliage , the shape and profundity of the lobe and the number of lobes and agree these features to species using online identification tools .
Oak Tree Identification by Leaves
Oak trees are divided into two group , crimson oaks and white oaks , depending on several machine characteristic , including foliage shape . White oak tree tree leaves have lobe with rounded tips , while the crimson oak tree foliage have lobes that come in to a sharp point .
Therefore , by looking at the shape of the lobes , you could determine if you are looking at a white oak or a scarlet oak tree , which help to constrict down the possibilities .
Red Oak Tree Leaf Identification
While all red oak trees have sharp , pointy lobe , not all species have identical - looking folio . Let ’s brush up some of the most common red oak tree specie in North America and the characteristics of their foliage .
Northern Red Oak
The leaves of the northerly flushed oak ( Quercus rubra , zones 4 to 8) , a species native to the Eastern U.S. , are dark green and sheeny with a grayish - Andrew Dickson White bottom . This metal money has 7 to 11 acute lobes per leaf .
Black Oak
The leaves of the black oak tree diagram ( Quercusvelutina , zone 3 to 9 ) are dark green with a leathery texture . The leaves of this coinage have seven to nine deep lobe . Each ignominious oak tree leaf lobe has between one and three teeth - like bristles .
Shingle Oak
Native to the American Midwest , primarily the Ohio River Valley , the shingle oak tree ( Quercus imbricaria , zones 5 to 8) has unlobed leaf unlike other oak leaf types , making it one of the easiest metal money to identify . The narrow-minded , oblong - forge leaves are a lustrous glowering green with smooth edges .
Willow Oak
As its common name suggests , the willow tree oak ( Quercus phellos , geographical zone 5 to 9 ) has leave reminiscent of willow Tree . The leaves are narrow and long and have smooth leeway . Each folio has a length between 1 and 4 inches .
White Oak Tree Leaf Identification
Now , lease ’s take a look at some North American blanched oak species and the feature that distinguish their leaves .
White Oak Tree
The leaves of the white oak tree ( Quercus alba , zone 3 to 9 ) , a popular specter tree , may be 4 to 9 in long and have seven to nine bass lobe . The leave are pink in color when they first come forth but turn a morose unripened as they age .
Swamp White Oak
ascertain in moist areas around streams and valley in the Northeastern U.S. , the swamp white oak ( Quercus bicolor , zones 3 to 8) has dark green leaves with silvery undersides . Each leaf may have five to 10 lobes with rounded tips . Unlike the lobe of the leave of snowy oak tree , the lobes of swamp white oak leaves are not very deep and may look more like teeth .
Bur Oak
Also known as the mossycup oak tree , the bur oak ( Quercus macrocarpa , zones 3 to 8) has leathery leaves with five to nine lobes . One or two of the sinuses — the space between lobes — are deeper than the eternal sleep and reach almost the center , or midrib , of the foliage .
Chinkapin Oak
The chinkapin oak ( Quercus muehlenbergii , zone 5 to 7 ) does not have lob leaf , which might lead you to overlook it as an oak . Rather , the leaves have toothed leeway with eight to 13 tooth per leaf . The leave-taking of this variety of oak may be 4 to 7 inches long .
Live Oak Tree Identification
While many oak tree diagram are deciduous , mean they throw their leafage fall autumn , some oak tree metal money are considered evergreen . This is because they keep their leaves class round , which is also helpful for oak tree tree foliage identification .
In the U.S. , the most common evergreen oak is the lively oak tree ( Quercus virginiana , zone 8 to 10 ) , which has ellipse or elliptical leaves that are about 5 in long . The leaves of live oak trees may have smooth or burred gross profit margin .
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