St. Helena olive
E422097
The St. Helena olive (Nesiota elliptica) was a now-extinct, rare flowering tree endemic to the island of Saint Helena in the South Atlantic Ocean.
All labels observed (3)
| Label | Occurrences |
|---|---|
| St. Helena olive canonical | 2 |
| Saint Helena olive | 1 |
| St Helena olive | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4216053 — 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: St. Helena olive Context triple: [Nesiota elliptica, commonName, St. Helena olive]
-
A.
Olive Abroholos Elephanta
Olive Abroholos Elephanta is a peculiar child in "Miss Peregrine's Home for Peculiar Children" known for her ability to create and control fire.
-
B.
Olive
Olive is a given name and word most commonly associated with the small, oily fruit of the olive tree used for food and oil production.
-
C.
Barbeya oleoides
Barbeya oleoides is a rare, shrubby tree species native to arid and semi-arid regions of East Africa and the Arabian Peninsula, notable as the sole species in its genus within the Barbeyaceae family.
-
D.
Olive Tree
"Olive Tree" is a song by English musician Peter Gabriel, known for its reflective lyrics and rich, layered production characteristic of his later solo work.
-
E.
Pistacia
Pistacia is a genus of flowering trees and shrubs best known for species like the pistachio, valued for their edible seeds and ornamental uses.
- 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: St. Helena olive Target entity description: The St. Helena olive (Nesiota elliptica) was a now-extinct, rare flowering tree endemic to the island of Saint Helena in the South Atlantic Ocean.
-
A.
Olive Abroholos Elephanta
Olive Abroholos Elephanta is a peculiar child in "Miss Peregrine's Home for Peculiar Children" known for her ability to create and control fire.
-
B.
Olive
Olive is a given name and word most commonly associated with the small, oily fruit of the olive tree used for food and oil production.
-
C.
Barbeya oleoides
Barbeya oleoides is a rare, shrubby tree species native to arid and semi-arid regions of East Africa and the Arabian Peninsula, notable as the sole species in its genus within the Barbeyaceae family.
-
D.
Olive Tree
"Olive Tree" is a song by English musician Peter Gabriel, known for its reflective lyrics and rich, layered production characteristic of his later solo work.
-
E.
Pistacia
Pistacia is a genus of flowering trees and shrubs best known for species like the pistachio, valued for their edible seeds and ornamental uses.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
extinct species
ⓘ
flowering plant ⓘ plant species ⓘ tree ⓘ |
| binomialAuthority | (Roxb.) Hook.f. ⓘ |
| class | Magnoliopsida ⓘ |
| commonName | St. Helena olive ⓘ |
| conservationSignificance | example of island plant extinction ⓘ |
| conservationStatus | Extinct (IUCN) ⓘ |
| distribution | confined to a few valleys on Saint Helena ⓘ |
| endemicTo | Saint Helena ⓘ |
| extinctionCause |
habitat loss
ⓘ
introduced species ⓘ small population size ⓘ |
| extinctionCentury | 21st century ⓘ |
| extinctionStatus | extinct ⓘ |
| family | Rhamnaceae ⓘ |
| floweringPlantGroup | eudicots ⓘ |
| flowerType | inconspicuous flowers ⓘ |
| fruitType | small drupes ⓘ |
| genus | Nesiota ⓘ |
| geographicContext | remote oceanic island flora ⓘ |
| growthForm | small tree ⓘ |
| habitat |
dry woodland
ⓘ
rocky slopes ⓘ |
| IUCNRedListCategory | EX ⓘ |
| kingdom | Plantae ⓘ |
| lastCultivatedIndividualDiedIn | 2003 ⓘ |
| lastWildIndividualDiedIn | 1994 ⓘ |
| leafType | elliptic leaves ⓘ |
| namedAfter |
island of Saint Helena
ⓘ
linked to:
Saint Helena
|
| nativeRange |
South Atlantic Ocean
ⓘ
linked to:
South Atlantic
|
| notRelatedTo | true olives (Olea europaea) ⓘ |
| order | Rosales ⓘ |
| phylum | Tracheophyta ⓘ |
| plantType | woody perennial ⓘ |
| pollination | insect-pollinated ⓘ |
| relatedTo | Rhamnus species ⓘ |
| reproduction | sexually reproducing angiosperm ⓘ |
| scientificName | Nesiota elliptica ⓘ |
| taxonName | Nesiota elliptica ⓘ |
| taxonRank | species ⓘ |
| threatFrom |
competition from invasive plants
ⓘ
grazing by introduced animals ⓘ land-use change on Saint Helena ⓘ |
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: St. Helena olive Description of subject: The St. Helena olive (Nesiota elliptica) was a now-extinct, rare flowering tree endemic to the island of Saint Helena in the South Atlantic Ocean.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.