Lignum vitae
E44362
Lignum vitae is a dense, extremely hard tropical hardwood tree native to the Caribbean, renowned for its durable wood and medicinal resin.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Guaiacum officinale | 1 |
| Lignum vitae canonical | 1 |
| lignum vitae | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T350092 — 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: Lignum vitae Context triple: [Jamaica, nationalSymbol, Lignum vitae]
-
A.
Widdringtonia
Widdringtonia is a small genus of African coniferous trees commonly known as African cypresses, valued for their durable timber and ecological importance.
-
B.
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.
-
C.
Cryptomeria
Cryptomeria is a genus of large, evergreen coniferous trees native to East Asia, best known for the Japanese cedar widely used in timber and ornamental planting.
-
D.
Thuja
Thuja is a genus of evergreen coniferous trees and shrubs commonly known as arborvitae, widely used in ornamental landscaping and hedging.
-
E.
Taxus
Taxus is a genus of evergreen coniferous trees and shrubs, commonly known as yews, valued for their ornamental use and as a source of the anti-cancer compound paclitaxel.
- 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: Lignum vitae Target entity description: Lignum vitae is a dense, extremely hard tropical hardwood tree native to the Caribbean, renowned for its durable wood and medicinal resin.
-
A.
Widdringtonia
Widdringtonia is a small genus of African coniferous trees commonly known as African cypresses, valued for their durable timber and ecological importance.
-
B.
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.
-
C.
Cryptomeria
Cryptomeria is a genus of large, evergreen coniferous trees native to East Asia, best known for the Japanese cedar widely used in timber and ornamental planting.
-
D.
Thuja
Thuja is a genus of evergreen coniferous trees and shrubs commonly known as arborvitae, widely used in ornamental landscaping and hedging.
-
E.
Taxus
Taxus is a genus of evergreen coniferous trees and shrubs, commonly known as yews, valued for their ornamental use and as a source of the anti-cancer compound paclitaxel.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
hardwood
ⓘ
tree ⓘ tropical plant ⓘ |
| barkType | furrowed ⓘ |
| commonNameOf |
Guaiacum officinale
ⓘ
linked to:
Lignum vitae
Guaiacum sanctum ⓘ |
| conservationConcern | overexploitation for timber and medicine ⓘ |
| conservationStatus | threatened ⓘ |
| contains | resin ⓘ |
| decayResistance | high ⓘ |
| durabilityClass | very durable ⓘ |
| etymology | Latin for tree of life ⓘ |
| family | Zygophyllaceae ⓘ |
| flowerColor |
blue
ⓘ
purple ⓘ |
| fruitContains | red seeds ⓘ |
| fruitType | capsule ⓘ |
| growthForm | small tree ⓘ |
| heartwoodColor | dark greenish-brown ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | opposite ⓘ |
| leafType |
compound
ⓘ
evergreen ⓘ |
| maximumHeight | about 10 meters ⓘ |
| nativeTo |
Caribbean
ⓘ
Central America ⓘ northern South America ⓘ |
| oilContent | high ⓘ |
| order | Zygophyllales ⓘ |
| pestResistance | high ⓘ |
| resinProperty | medicinal ⓘ |
| sapwoodColor | pale yellow ⓘ |
| taxonRank | species ⓘ |
| tradeName | lignum vitae ⓘ |
| usedFor |
bowling balls
ⓘ
bushings ⓘ lignum vitae bearings in marine applications ⓘ mallets ⓘ pulleys ⓘ ship propeller shaft bearings ⓘ tool handles ⓘ traditional medicine ⓘ treatment of rheumatism ⓘ treatment of syphilis ⓘ |
| woodColor | dark greenish-brown ⓘ |
| woodDensity | very high ⓘ |
| woodProperty |
extremely hard
ⓘ
self-lubricating ⓘ very heavy ⓘ |
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: Lignum vitae Description of subject: Lignum vitae is a dense, extremely hard tropical hardwood tree native to the Caribbean, renowned for its durable wood and medicinal resin.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lignum vitae
linked to: Lignum vitae