Quercus macrocarpa
E1040800
Quercus macrocarpa, commonly known as bur oak, is a large, long-lived North American oak tree species noted for its thick, fire-resistant bark and distinctive fringed acorns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Quercus macrocarpa canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13396844 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Quercus macrocarpa Context triple: [Quercus, hasSpecies, Quercus macrocarpa]
-
A.
Quercus alba
Quercus alba is the white oak, a long-lived North American hardwood tree valued for its strong, durable timber and ecological importance in eastern forests.
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B.
Quercus
Quercus is a large genus of trees and shrubs commonly known as oaks, widespread in the Northern Hemisphere and ecologically important for their hardwood and acorn production.
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C.
Quercus
Quercus is a British publishing company known for its fiction and non-fiction titles, including award-winning and bestselling works.
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D.
Quercus douglasii
Quercus douglasii, commonly known as blue oak, is a drought-tolerant deciduous oak tree native to California’s interior woodlands and foothills.
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E.
Quercus wislizeni
Quercus wislizeni is an evergreen oak tree species native to California, commonly found in the Sierra Nevada foothills and surrounding regions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Quercus macrocarpa Target entity description: Quercus macrocarpa, commonly known as bur oak, is a large, long-lived North American oak tree species noted for its thick, fire-resistant bark and distinctive fringed acorns.
-
A.
Quercus alba
Quercus alba is the white oak, a long-lived North American hardwood tree valued for its strong, durable timber and ecological importance in eastern forests.
-
B.
Quercus
Quercus is a British publishing company known for its fiction and non-fiction titles, including award-winning and bestselling works.
-
C.
Quercus
Quercus is a large genus of trees and shrubs commonly known as oaks, widespread in the Northern Hemisphere and ecologically important for their hardwood and acorn production.
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D.
Quercus douglasii
Quercus douglasii, commonly known as blue oak, is a drought-tolerant deciduous oak tree native to California’s interior woodlands and foothills.
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E.
Quercus wislizeni
Quercus wislizeni is an evergreen oak tree species native to California, commonly found in the Sierra Nevada foothills and surrounding regions.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
oak
ⓘ
species of plant ⓘ tree ⓘ |
| acornCharacteristic |
fringed acorn cups
ⓘ
large acorns ⓘ mossy cupule ⓘ |
| barkCharacteristic |
fire-resistant bark
ⓘ
thick bark ⓘ |
| class | Magnoliopsida ⓘ |
| commonName |
bur oak
ⓘ
bur oak tree ⓘ mossycup oak NERFINISHED ⓘ |
| describedBy | Carl Linnaeus ⓘ |
| distributionStatus | widespread in central North America ⓘ |
| ecologicalRole |
mast producer for wildlife
ⓘ
provides habitat for birds ⓘ provides habitat for insects ⓘ |
| family | Fagaceae NERFINISHED ⓘ |
| flowerType | monoecious ⓘ |
| fruitType | acorn ⓘ |
| genus | Quercus NERFINISHED ⓘ |
| kingdom | Plantae ⓘ |
| leafPersistence | deciduous ⓘ |
| leafType | simple leaf ⓘ |
| lifeForm | deciduous tree ⓘ |
| longevity | long-lived ⓘ |
| maximumHeight |
up to about 100 feet
ⓘ
up to about 30 meters ⓘ |
| nativeTo |
Alabama
NERFINISHED
ⓘ
Appalachian region NERFINISHED ⓘ Georgia NERFINISHED ⓘ Great Plains NERFINISHED ⓘ Manitoba NERFINISHED ⓘ North America ⓘ Ontario NERFINISHED ⓘ Quebec NERFINISHED ⓘ Saskatchewan NERFINISHED ⓘ Texas NERFINISHED ⓘ central United States ⓘ eastern United States NERFINISHED ⓘ southern Canada ⓘ |
| order | Fagales NERFINISHED ⓘ |
| parentTaxon | Quercus NERFINISHED ⓘ |
| phylum | Tracheophyta ⓘ |
| pollination | wind-pollinated ⓘ |
| taxonRank | species ⓘ |
| tolerance |
cold tolerant
ⓘ
drought tolerant ⓘ fire tolerant ⓘ |
| typicalHabitat |
bottomlands
ⓘ
prairies ⓘ savannas ⓘ upland woodlands ⓘ |
| use |
ornamental tree
ⓘ
shade tree ⓘ |
| woodUse |
fence posts
ⓘ
fuelwood ⓘ timber ⓘ |
| yearDescribed | 1801 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Quercus macrocarpa Description of subject: Quercus macrocarpa, commonly known as bur oak, is a large, long-lived North American oak tree species noted for its thick, fire-resistant bark and distinctive fringed acorns.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.