Atlantic poison oak (Toxicodendron pubescens)
E565352
Atlantic poison oak (Toxicodendron pubescens) is a North American shrub in the cashew family known for causing allergic skin reactions through contact with its urushiol-containing leaves and stems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Atlantic poison oak (Toxicodendron pubescens) canonical | 1 |
| Poison Oak | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6084859 — 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: Atlantic poison oak (Toxicodendron pubescens) Context triple: [Toxicodendron, notableSpecies, Atlantic poison oak (Toxicodendron pubescens)]
-
A.
Toxicodendron diversilobum
Toxicodendron diversilobum is a woody shrub or vine native to western North America, commonly known as Pacific poison oak, notorious for causing allergic skin reactions upon contact.
-
B.
Toxicodendron radicans
Toxicodendron radicans is a North American woody vine or shrub commonly known as poison ivy, notorious for causing allergic skin reactions through contact with its urushiol-containing leaves and stems.
-
C.
Toxicodendron vernix
Toxicodendron vernix is a North American shrub or small tree commonly known as poison sumac, notorious for causing severe allergic skin reactions through its urushiol-containing sap.
-
D.
Toxicodendron
Toxicodendron is a genus of plants best known for species like poison ivy and poison oak, which cause allergic skin reactions in many people.
-
E.
Parkinsonia aculeata
Parkinsonia aculeata is a thorny, drought-tolerant flowering tree or shrub native to the Americas, often used as an ornamental plant in arid and semi-arid regions.
- 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: Atlantic poison oak (Toxicodendron pubescens) Target entity description: Atlantic poison oak (Toxicodendron pubescens) is a North American shrub in the cashew family known for causing allergic skin reactions through contact with its urushiol-containing leaves and stems.
-
A.
Toxicodendron diversilobum
Toxicodendron diversilobum is a woody shrub or vine native to western North America, commonly known as Pacific poison oak, notorious for causing allergic skin reactions upon contact.
-
B.
Toxicodendron radicans
Toxicodendron radicans is a North American woody vine or shrub commonly known as poison ivy, notorious for causing allergic skin reactions through contact with its urushiol-containing leaves and stems.
-
C.
Toxicodendron vernix
Toxicodendron vernix is a North American shrub or small tree commonly known as poison sumac, notorious for causing severe allergic skin reactions through its urushiol-containing sap.
-
D.
Toxicodendron
Toxicodendron is a genus of plants best known for species like poison ivy and poison oak, which cause allergic skin reactions in many people.
-
E.
Parkinsonia aculeata
Parkinsonia aculeata is a thorny, drought-tolerant flowering tree or shrub native to the Americas, often used as an ornamental plant in arid and semi-arid regions.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
plant species
ⓘ
shrubs ⓘ |
| belongsToGroup | urushiol-producing plants ⓘ |
| causes |
allergic contact dermatitis
ⓘ
itchy skin rash ⓘ |
| class | Magnoliopsida NERFINISHED ⓘ |
| commonName |
Atlantic poison oak
ⓘ
poison oak ⓘ |
| dermatologicalEffect | Type IV hypersensitivity reaction ⓘ |
| dispersalMethod | bird-dispersed fruits ⓘ |
| distinguishedBy | more lobed oak-like leaflets ⓘ |
| family | Anacardiaceae NERFINISHED ⓘ |
| flowerColor | greenish-white ⓘ |
| floweringSeason | spring ⓘ |
| foundIn |
clearings
ⓘ
coastal plain of the southeastern United States ⓘ dry sandy soils ⓘ open woods ⓘ thickets ⓘ |
| fruitColor | whitish ⓘ |
| fruitingSeason | late summer ⓘ |
| fruitType | drupe ⓘ |
| genus | Toxicodendron NERFINISHED ⓘ |
| growthForm | deciduous shrub ⓘ |
| habitatPreference |
dry upland sites
ⓘ
sandy or rocky soils ⓘ |
| hasChemical | urushiol ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | alternate ⓘ |
| leafletsPerLeaf | 3 ⓘ |
| leafMargin | lobed or toothed ⓘ |
| leafSurface | pubescent ⓘ |
| leafType | compound leaves ⓘ |
| nativeTo |
North America
ⓘ
eastern United States ⓘ |
| order | Sapindales ⓘ |
| phylum | Tracheophyta ⓘ |
| pollination | insect-pollinated ⓘ |
| similarTo |
Toxicodendron diversilobum
ⓘ
Toxicodendron radicans NERFINISHED ⓘ |
| taxonRank | species ⓘ |
| toxicComponent | urushiol oil ⓘ |
| toxicTo | humans ⓘ |
| transmissionMethod |
contact with contaminated objects
ⓘ
contact with leaves ⓘ contact with roots ⓘ contact with stems ⓘ |
| typicalHeight | 0.5–1.5 meters ⓘ |
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: Atlantic poison oak (Toxicodendron pubescens) Description of subject: Atlantic poison oak (Toxicodendron pubescens) is a North American shrub in the cashew family known for causing allergic skin reactions through contact with its urushiol-containing leaves and stems.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
I'm Wide Awake, It's Morning
this entity surface form:
Poison Oak