Alnus
E1013467
Alnus is a genus of deciduous trees and shrubs commonly known as alders, often found in moist or riparian habitats in temperate regions.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Alnus canonical | 3 |
| Alnus cordata | 1 |
| Alnus incana | 1 |
| Alnus rubra | 1 |
| Alnus subcordata | 1 |
| Alnus viridis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12961701 — 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: Alnus Context triple: [Betulaceae, includesGenus, Alnus]
-
A.
Larix
Larix is a genus of deciduous coniferous trees commonly known as larches, found in cool temperate and boreal forests of the Northern Hemisphere.
-
B.
Populus
Populus is a genus of fast-growing deciduous trees commonly known as poplars, aspens, and cottonwoods, widespread across the Northern Hemisphere.
-
C.
Fraxinus
Fraxinus is a genus of deciduous trees commonly known as ash trees, found across temperate regions and valued for their strong, flexible wood.
-
D.
Umbellularia
Umbellularia is a small genus of aromatic evergreen trees native to western North America, best known for the species commonly called California bay laurel.
-
E.
Nyssa
Nyssa is a companion of the Fifth Doctor in the long-running British science fiction television series Doctor Who.
- 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: Alnus Target entity description: Alnus is a genus of deciduous trees and shrubs commonly known as alders, often found in moist or riparian habitats in temperate regions.
-
A.
Larix
Larix is a genus of deciduous coniferous trees commonly known as larches, found in cool temperate and boreal forests of the Northern Hemisphere.
-
B.
Populus
Populus is a genus of fast-growing deciduous trees commonly known as poplars, aspens, and cottonwoods, widespread across the Northern Hemisphere.
-
C.
Fraxinus
Fraxinus is a genus of deciduous trees commonly known as ash trees, found across temperate regions and valued for their strong, flexible wood.
-
D.
Umbellularia
Umbellularia is a small genus of aromatic evergreen trees native to western North America, best known for the species commonly called California bay laurel.
-
E.
Nyssa
Nyssa is a companion of the Fifth Doctor in the long-running British science fiction television series Doctor Who.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
plant taxon ⓘ |
| capability | nitrogen fixation ⓘ |
| class | Magnoliopsida ⓘ |
| commonName |
alder
ⓘ
alders ⓘ |
| describedBy | Carl Linnaeus ⓘ |
| distribution |
Asia
ⓘ
Europe ⓘ North America ⓘ |
| division | Magnoliophyta ⓘ |
| ecologicalRole |
pioneer species
ⓘ
soil enrichment via nitrogen fixation ⓘ stabilization of riverbanks ⓘ |
| family | Betulaceae ⓘ |
| flowerType | catkins ⓘ |
| fruitType | woody cone-like strobiles ⓘ |
| habitat |
lakeshores
ⓘ
moist soils ⓘ riparian habitats ⓘ riverbanks ⓘ wetlands ⓘ |
| includesSpecies |
Alnus cordata
ⓘ
linked to:
Alnus
Alnus glutinosa ⓘ Alnus incana ⓘ
linked to:
Alnus
Alnus rubra ⓘ
linked to:
Alnus
Alnus viridis ⓘ
linked to:
Alnus
|
| kingdom | Plantae ⓘ |
| leafPersistence | deciduous ⓘ |
| leafType | simple leaves ⓘ |
| lifeForm |
deciduous shrub
ⓘ
deciduous tree ⓘ |
| nativeTo | temperate regions of the Northern Hemisphere ⓘ |
| order | Fagales ⓘ |
| parentTaxon | Betulaceae ⓘ |
| photosyntheticPathway | C3 ⓘ |
| pollination | wind-pollinated ⓘ |
| reproductiveType | monoecious ⓘ |
| symbiosisWith | Frankia (actinobacteria) ⓘ |
| taxonRank | genus ⓘ |
| usedFor |
erosion control
ⓘ
ornamental planting ⓘ reforestation ⓘ |
| woodUse |
charcoal production
ⓘ
smoking food ⓘ timber ⓘ |
| 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: Alnus Description of subject: Alnus is a genus of deciduous trees and shrubs commonly known as alders, often found in moist or riparian habitats in temperate regions.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alnus
linked to: Alnus
linked to: Alnus
linked to: Alnus
linked to: Alnus