Acorns are some of the principal distinguishing features of oak tree diagram ( Quercusspp . ) . Acorns are the fruit , or nuts , raise by these species and are important food sources for almost 100 specie of wild animate being .
Can Humans Eat Acorns?
in the buff acorns are rarely consume by human race , however , due to the mien of toxic compounds know as tannins .
Which Trees Produce Acorns?
Oak trees are divided into two family : red-faced oaksandwhite oaks . While both type of oaks produce acorns , there are several key differences between the two groups , one of which is acorn production .
The acorns of red oak trees take two growing season to senesce . The acorn get on in the fall of the second class , and sprouting takes place the following natural spring . The acorn of these oaks taste bitter .
However , the acorns of white oak trees mature in a single produce season . They sink off the tree in the fall and sprout shortly after . White oak Sir Herbert Beerbohm Tree acorn have a sweet flavor .

Acorn and Oak Development
Oak trees are monoecious , which mean that all the trees have both male and female flowers . Therefore , all oak trees are capable of producing acorn if properly cross-pollinate in the spring . The male peak , which are prominent and showy , are jazz as ament . They produce pollen .
While each distaff oak tree efflorescence has six ovule that hold eggs , only one ovule per flower is pollinated and matures into an acorn .
In some years , known as " mast " years , oak trees produce an extremely big identification number of acorn . One mature tree can yield as many as 10,000 acorns in a mast twelvemonth .
Oak Tree Acorns
The acorns ofdifferent native oak Sir Herbert Beerbohm Tree speciesdiffer in sizing , shape and color , among other features . Let ’s go over the features of acorns from several North American species of oak tree trees .
Southern Red Oak
The acorns of the southern reddened oak ( Quercus falcata ; zones 6 to 9 ) , which mensurate just 1/2 inch in length , are orangish - red ink in colour . The caps of these acorn cover approximately a third of the nuts .
White Oak
snowy oak trees ( Quercus alba ; zones 3 to 9 ) produce acorns that are oval form and unclouded brown in colour . The caps of these acorns are stadium - shaped and thick with a warty texture .
Bur Oak
The bur oak tree ( Quercus macrocarpa ; zones 3 through 8) , which belong to the white oak mathematical group , get its common figure from its acorn , the caps of which are covered in tomentum and have a fringed border . On these acorns , the cap can compensate up to three - fourth part of the intact nut .
Water Oak
The acorn of the water oak tree ( Quercus nigra ; zone 6 to 9 ) , which is in the red oak chemical group , are shaped like saucers and mensuration 1/2 inch in length . They may be dark-brown or fateful . A small shoot task from the bottom of water system oak acorns , create them easygoing to identify .
Shumard Oak
Another species in the red oak group , the Shumard oak tree ( Quercusshumardii ; zona 5 to 9 ) has peculiarly big acorns that may measure 1 1/4 inches long . The acorn resemble pocket-sized eggs .