bur oak

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Related to bur oaks: Quercus macrocarpa
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Synonyms for bur oak

medium to large deciduous oak of central and eastern North America with ovoid acorns deeply immersed in large fringed cups

References in periodicals archive ?
The ridgetop prairie is bordered by a bur oak forest to the south (plots 4 to 8), as well as to the north (plots 18-22)(Fig.
The average size class of mature bur oaks that were measured was 84.0 cm (dbh).
Other large individual trees (> 48 inches or 1.2 m dbh) that they recorded along the Wabash River in Indiana during their field study which lasted from 1955-1959 were: silver maple (Acer saccharinum L.) 72.2, 70.5 and 63.0 inches (1.8, 1.8 and 1.6 m); hackberry (Celtis occidentalis L.) 69.1 inches (1.8 m); cottonwood (Populus deltoides Marshall) 67.1 inches (1.7 m); black willow (Salix nigra Marshall) 67.3 and 64.3 inches (1.7 and 1.6 m); northern red oak (Quercus rubra L.) 56.0 inches (1.4 m); and pin and bur oak (Quercus palustris Muenchh.
The king of nut trees on the Prairies is the Bur Oak (Quercus macrocarpa).
For determination of age, 24 specimens of hackberry, 13 specimens of green ash and 4 specimens of bur oak through all size classes were randomly selected for increment boring.
macrocarpa are more differentiated from one another than the populations of older bur oaks. Several explanations alone or in combination could explain this phenomenon.
Last year we almost lost one of our other big bur oaks to construction, but I nominated it for the Nashville Tree Foundation's annual Big Old Tree contest, and it won!
Bur oaks have good resistance to both oak wilt and to borers but, when growing conditions are not ideal, can suffer from anthracnose, "witches' broom," and other fungal diseases.
Although this stately tree has suffered the indignities of lightning strikes a few times in its long life, it has held its own among the bur oaks The tree is a symbol of the farm and is shown on its stationery and work hats.
Corron Farm, Campton Township: It has a series of marked trails of various lengths, a small but nice woodland with good spring wildflowers, a wonderful savanna trail with bur oaks and white oaks, and mesic and wet prairie.
Safari Tree learned that a Bebb Oak is a hybrid between a white Oak and a Bur Oak, having the bark, leaves and growth pattern of Bur Oaks and yet the acorns of a White Oak.
In Fayette County, about 90 percent of the bur oaks have vanished in only 60 years, mostly due to development.
And those red and bur oaks have nicely filled in the empty area where 1 had to cut out several borer-killed pines.
Lerczak always digs into the back story as he describes topics such as the habits of Great Blue Herons, eagles in winter refuges, the life of the six species of swallows along the Illinois River, the reasons why we have bur oaks in Mason County, or the territories of Redheaded Woodpeckers.