Toxicodendron radicans
E130845
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Toxicodendron radicans canonical | 4 |
| Toxicodendron radicans subsp. negundo | 1 |
| poison ivy (Toxicodendron radicans) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1106281 — 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: Toxicodendron radicans Context triple: [Anacardiaceae, includesSpecies, Toxicodendron radicans]
-
A.
Rhus
Rhus is a genus of flowering plants commonly known as sumacs, which includes shrubs and small trees often recognized for their compound leaves and clusters of red or white berries.
-
B.
Urtica
Urtica is a genus of herbaceous plants best known for its stinging nettles, which have tiny hairs that can irritate the skin.
-
C.
Schinus
Schinus is a genus of flowering trees and shrubs commonly known for species like the Peruvian pepper tree, some of which produce pink peppercorns used as a spice.
-
D.
Broussonetia
Broussonetia is a small genus of deciduous trees and shrubs in the mulberry family, best known for the paper mulberry used traditionally for making paper and cloth.
-
E.
Elaeagnus
Elaeagnus is a genus of flowering shrubs and small trees, commonly known as oleasters or silverberries, valued for their hardiness, silvery foliage, and often edible, nutrient-rich fruits.
- 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: Toxicodendron radicans Target entity description: 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.
-
A.
Rhus
Rhus is a genus of flowering plants commonly known as sumacs, which includes shrubs and small trees often recognized for their compound leaves and clusters of red or white berries.
-
B.
Urtica
Urtica is a genus of herbaceous plants best known for its stinging nettles, which have tiny hairs that can irritate the skin.
-
C.
Schinus
Schinus is a genus of flowering trees and shrubs commonly known for species like the Peruvian pepper tree, some of which produce pink peppercorns used as a spice.
-
D.
Broussonetia
Broussonetia is a small genus of deciduous trees and shrubs in the mulberry family, best known for the paper mulberry used traditionally for making paper and cloth.
-
E.
Elaeagnus
Elaeagnus is a genus of flowering shrubs and small trees, commonly known as oleasters or silverberries, valued for their hardiness, silvery foliage, and often edible, nutrient-rich fruits.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
plant species
ⓘ
shrub ⓘ woody vine ⓘ |
| barkColor | gray ⓘ |
| causes |
allergic contact dermatitis
ⓘ
itchy skin rash ⓘ |
| climbingMechanism | aerial rootlets ⓘ |
| commonName | poison ivy ⓘ |
| contains | urushiol ⓘ |
| dispersedBy | birds ⓘ |
| ecologicalRole |
food source for birds
ⓘ
understory vegetation component ⓘ |
| family | Anacardiaceae ⓘ |
| flowerColor | greenish-white ⓘ |
| floweringSeason | late spring ⓘ |
| foundIn |
central North America
ⓘ
eastern North America ⓘ |
| fruitColor | whitish ⓘ |
| fruitType | drupe ⓘ |
| genus | Toxicodendron ⓘ |
| growthForm |
climbing vine
ⓘ
erect shrub ⓘ trailing shrub ⓘ |
| habitat |
fence rows
ⓘ
forest edges ⓘ roadsides ⓘ woodlands ⓘ |
| introducedTo |
parts of Asia
ⓘ
parts of Europe ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | alternate ⓘ |
| leafletsPerLeaf | 3 ⓘ |
| leafMargin |
entire
ⓘ
toothed ⓘ |
| leafSurface | often glossy ⓘ |
| leafType | compound leaf ⓘ |
| lifeCycle | perennial ⓘ |
| nativeTo |
Canada
ⓘ
Mexico ⓘ North America ⓘ United States of America ⓘ
surface form:
United States
|
| notableFor | causing poison ivy rash ⓘ |
| order | Sapindales ⓘ |
| photosyntheticPathway | C3 ⓘ |
| pollinatedBy | insects ⓘ |
| safetyConcern | skin contact hazard ⓘ |
| taxonRank | species ⓘ |
| toxicTo | humans ⓘ |
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: Toxicodendron radicans Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Toxicodendron radicans subsp. negundo
this entity surface form:
poison ivy (Toxicodendron radicans)