Quercus
E319720
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.
All labels observed (13)
| Label | Occurrences |
|---|---|
| Quercus canonical | 14 |
| Quercus robur | 6 |
| Quercus sect. Lobatae | 2 |
| Quercus cerris | 1 |
| Quercus garryana | 1 |
| Quercus petraea | 1 |
| Quercus sect. Cerris | 1 |
| Quercus sect. Ilex | 1 |
| Quercus sect. Protobalanus | 1 |
| Quercus sect. Quercus | 1 |
| Quercus section Lobatae | 1 |
| Quercus serrata | 1 |
| Quercus virginiana | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3019042 — 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 Context triple: [Fagaceae, includesGenus, Quercus]
-
A.
Quercus wislizeni
Quercus wislizeni is an evergreen oak tree species native to California, commonly found in the Sierra Nevada foothills and surrounding regions.
-
B.
Quercus douglasii
Quercus douglasii, commonly known as blue oak, is a drought-tolerant deciduous oak tree native to California’s interior woodlands and foothills.
-
C.
Ulmus
Ulmus is a genus of deciduous trees commonly known as elms, widely distributed across the Northern Hemisphere and valued for their distinctive vase-shaped form and use in landscaping and timber.
-
D.
Zelkova
Zelkova is a small genus of deciduous trees in the elm family, valued as ornamentals and for bonsai, and native to parts of Europe and Asia.
-
E.
Larix
Larix is a genus of deciduous coniferous trees commonly known as larches, found in cool temperate and boreal forests of the Northern Hemisphere.
- 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 Target entity description: 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.
-
A.
Quercus wislizeni
Quercus wislizeni is an evergreen oak tree species native to California, commonly found in the Sierra Nevada foothills and surrounding regions.
-
B.
Quercus douglasii
Quercus douglasii, commonly known as blue oak, is a drought-tolerant deciduous oak tree native to California’s interior woodlands and foothills.
-
C.
Ulmus
Ulmus is a genus of deciduous trees commonly known as elms, widely distributed across the Northern Hemisphere and valued for their distinctive vase-shaped form and use in landscaping and timber.
-
D.
Zelkova
Zelkova is a small genus of deciduous trees in the elm family, valued as ornamentals and for bonsai, and native to parts of Europe and Asia.
-
E.
Larix
Larix is a genus of deciduous coniferous trees commonly known as larches, found in cool temperate and boreal forests of the Northern Hemisphere.
- F. None of above. chosen
Statements (86)
| Predicate | Object |
|---|---|
| instanceOf |
plant genus
ⓘ
taxon ⓘ |
| barkCharacteristic | often deeply fissured bark ⓘ |
| clade |
Magnoliophyta
ⓘ
surface form:
Angiosperms
Eudicots ⓘ Rosids ⓘ |
| commonName | oaks ⓘ |
| describedBy | Carl Linnaeus ⓘ |
| ecologicalRole | keystone genus in many forests ⓘ |
| family |
oak family (Fagaceae)
ⓘ
surface form:
Fagaceae
|
| fruitCommonName | acorn ⓘ |
| fruitType | nut ⓘ |
| growthForm |
shrub
ⓘ
tree ⓘ |
| hasChromosomeNumber | 2n=24 (typical) ⓘ |
| hasSection |
Quercus
self-linksurface differs
ⓘ
surface form:
Quercus sect. Cerris
Quercus self-linksurface differs ⓘ
surface form:
Quercus sect. Ilex
Quercus self-linksurface differs ⓘ
surface form:
Quercus sect. Lobatae
Quercus self-linksurface differs ⓘ
surface form:
Quercus sect. Protobalanus
Quercus self-linksurface differs ⓘ
surface form:
Quercus sect. Quercus
|
| hasSpecies |
Quercus acutissima
ⓘ
Quercus agrifolia ⓘ Quercus alba ⓘ Quercus bicolor ⓘ Quercus cerris ⓘ Quercus chrysolepis ⓘ Quercus coccinea ⓘ Quercus douglasii ⓘ Quercus engelmannii ⓘ Quercus falcata ⓘ Quercus self-linksurface differs ⓘ
surface form:
Quercus garryana
Quercus glauca ⓘ Quercus ilex ⓘ Quercus imbricaria ⓘ Quercus laevis ⓘ Quercus lobata ⓘ Quercus macrocarpa ⓘ Quercus mongolica ⓘ Quercus nigra ⓘ Quercus palustris ⓘ Quercus self-linksurface differs ⓘ
surface form:
Quercus petraea
Quercus phellos ⓘ Quercus prinus ⓘ Quercus self-linksurface differs ⓘ
surface form:
Quercus robur
Quercus rubra ⓘ Quercus rugosa ⓘ Quercus self-linksurface differs ⓘ
surface form:
Quercus serrata
Quercus shumardii ⓘ Quercus stellata ⓘ Quercus suber ⓘ Quercus velutina ⓘ Quercus self-linksurface differs ⓘ
surface form:
Quercus virginiana
|
| hasTypeSpecies |
Quercus
self-linksurface differs
ⓘ
surface form:
Quercus robur
|
| isImportantFor |
carbon sequestration
ⓘ
forest biodiversity ⓘ soil stabilization ⓘ |
| isMonoecious | true ⓘ |
| kingdom | Plantae ⓘ |
| leafPersistence |
deciduous
ⓘ
evergreen ⓘ |
| leafType | simple leaves ⓘ |
| nativeTo |
Asia
ⓘ
Europe ⓘ North Africa ⓘ North America ⓘ Northern Hemisphere ⓘ |
| notableSpeciesForCork | Quercus suber ⓘ |
| order | Fagales ⓘ |
| photosyntheticPathway | C3 ⓘ |
| pollination | wind-pollinated ⓘ |
| produces | acorns ⓘ |
| providesHabitatFor |
birds
ⓘ
insects ⓘ mammals ⓘ |
| supports | mycorrhizal fungi ⓘ |
| taxonRank | genus ⓘ |
| threats |
climate change
ⓘ
habitat loss ⓘ introduced pests and diseases ⓘ |
| usedFor |
cork production
ⓘ
flooring ⓘ furniture ⓘ timber ⓘ wine barrels ⓘ |
| woodType | hardwood ⓘ |
| yearDescribed | 1753 ⓘ |
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 Description of subject: 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.
Referenced by (32)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Fagaceae
subject surface form:
Fagaceae
this entity surface form:
Quercus robur
subject surface form:
Gernikako Arbola
this entity surface form:
Quercus robur
this entity surface form:
Quercus robur
this entity surface form:
Quercus sect. Lobatae
this entity surface form:
Quercus section Lobatae
this entity surface form:
Quercus cerris
this entity surface form:
Quercus robur
this entity surface form:
Quercus robur
this entity surface form:
Quercus robur
this entity surface form:
Quercus petraea
this entity surface form:
Quercus virginiana
this entity surface form:
Quercus garryana
this entity surface form:
Quercus serrata
this entity surface form:
Quercus sect. Quercus
this entity surface form:
Quercus sect. Lobatae
this entity surface form:
Quercus sect. Cerris
this entity surface form:
Quercus sect. Ilex
this entity surface form:
Quercus sect. Protobalanus