Ptaeroxylon
E583937
Ptaeroxylon is a small genus of flowering plants known for the sneeze-inducing properties of its wood, native to southern Africa.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ptaeroxylon obliquum | 2 |
| Ptaeroxylon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6243016 — 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: Ptaeroxylon Context triple: [Rutaceae, includesGenus, Ptaeroxylon]
-
A.
Paradichrostachys
Paradichrostachys is a little-known flowering plant genus in the small family Dirachmaceae, native to arid regions of the Horn of Africa.
-
B.
Coccoloba
Coccoloba is a genus of flowering plants in the buckwheat family, best known for species like sea grape that grow in tropical and subtropical coastal regions.
-
C.
Formanodendron
Formanodendron is a little-known genus of flowering trees or shrubs in the beech family Fagaceae, native to parts of East and Southeast Asia.
-
D.
Cupaniopsis
Cupaniopsis is a genus of flowering trees and shrubs in the soapberry family, many of which are native to Australasia and valued for their ornamental foliage and fruit.
-
E.
Grosmannia
Grosmannia is a genus of ascomycete fungi, many of which are important tree pathogens often associated with bark beetles and blue-stain of conifer wood.
- 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: Ptaeroxylon Target entity description: Ptaeroxylon is a small genus of flowering plants known for the sneeze-inducing properties of its wood, native to southern Africa.
-
A.
Paradichrostachys
Paradichrostachys is a little-known flowering plant genus in the small family Dirachmaceae, native to arid regions of the Horn of Africa.
-
B.
Coccoloba
Coccoloba is a genus of flowering plants in the buckwheat family, best known for species like sea grape that grow in tropical and subtropical coastal regions.
-
C.
Formanodendron
Formanodendron is a little-known genus of flowering trees or shrubs in the beech family Fagaceae, native to parts of East and Southeast Asia.
-
D.
Cupaniopsis
Cupaniopsis is a genus of flowering trees and shrubs in the soapberry family, many of which are native to Australasia and valued for their ornamental foliage and fruit.
-
E.
Grosmannia
Grosmannia is a genus of ascomycete fungi, many of which are important tree pathogens often associated with bark beetles and blue-stain of conifer wood.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
plant genus
ⓘ
taxon ⓘ |
| clade |
Angiosperms
ⓘ
linked to:
Magnoliophyta
Eudicots ⓘ Rosids ⓘ |
| commonName | sneeze-wood genus ⓘ |
| describedAs | small genus of flowering plants ⓘ |
| family | Rutaceae ⓘ |
| geographicDistribution | semi-arid regions of southern Africa ⓘ |
| habitat |
dry woodland
ⓘ
rocky hillsides ⓘ |
| hasBinomialAuthority | Eckl. & Zeyh. ⓘ |
| hasSpecies |
Ptaeroxylon obliquum
ⓘ
linked to:
Ptaeroxylon
|
| kingdom | Plantae ⓘ |
| nativeTo |
Botswana
ⓘ
Mozambique ⓘ Namibia ⓘ South Africa ⓘ Zimbabwe ⓘ southern Africa ⓘ
linked to:
Southern Africa
|
| notableFor | sneeze-inducing properties of its wood ⓘ |
| order | Sapindales ⓘ |
| reproductiveType | flowering plant ⓘ |
| taxonRank | genus ⓘ |
| typeSpecies |
Ptaeroxylon obliquum
ⓘ
linked to:
Ptaeroxylon
|
| woodProperty | irritant wood dust ⓘ |
| woodUse |
construction wood
ⓘ
durable timber ⓘ fencing posts ⓘ furniture making ⓘ |
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: Ptaeroxylon Description of subject: Ptaeroxylon is a small genus of flowering plants known for the sneeze-inducing properties of its wood, native to southern Africa.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ptaeroxylon
linked to: Ptaeroxylon