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 ancient bur oak has been here for at least 300 years, perhaps as long as 500.
About a mile north of the Ingleside Oak, a young Virginian named Josiah Collins felled a huge bur oak.
The average size class of mature bur oaks that were measured was 84.
Hannibal Woods includes several spectacular examples of bur oak (Quercus macrocarpa) that exceed 150 years of age and an understory typical of temperate deciduous forest associations found farther east (Churchill 1979, Rothenberger 1985).
4 m); and pin and bur oak (Quercus palustris Muenchh.
High quality floodplain forest of predominately silver maple, green ash, shellbark hickory, pecan, and bur oak.
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.
This forest contains at least 24 different tree species, the most common of which include sugar hackberry (Celtis laevigata), American hackberry (Celtis occidentalis), green ash (Fraxinus pennsylvanica), eastern cottonwood (Populus deltoides), bur oak (Quercus macrocarpa), American elm (Ulmus americana), cedar elm (Ulmus crassifolia) and slippery elm (Ulmus rubra).
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
At the end of the introductory section, it states: "Today the bur oak is the state tree of both Illinois and Iowa.
Bur oaks are tough trees with few serious insect or disease problems.
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.
Beginning this fall and continuing until next spring, the company will donate groves of Minuteman River Birches and Mark Twain Cave Bur Oaks to each of the eight communities.
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.
Though not all of the 850-odd National Champions are as regal as the bur oak shown here, each is distinctive, and we hope this page will spur our members to seek out and nominate new champions.