western red cedar
E198034
Western red cedar is a large, long-lived coniferous tree native to the Pacific Northwest of North America, valued for its durable, aromatic wood and cultural significance to Indigenous peoples.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Western red cedar | 3 |
| western red cedar canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1747458 — 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: western red cedar Context triple: [Great Bear Rainforest, habitatFor, western red cedar]
-
A.
Douglas fir
Douglas fir is a large, long-lived conifer native to western North America, valued for its strong timber and ecological importance in mountain and coastal forests.
-
B.
Sitka spruce
Sitka spruce is a large, fast-growing conifer native to the moist coastal forests of the Pacific Northwest of North America, valued for its strong yet lightweight wood used in construction and musical instruments.
-
C.
Engelmann spruce
Engelmann spruce is a high-elevation North American coniferous tree species known for forming dense subalpine forests in the Rocky Mountains and other western mountain ranges.
-
D.
Eastern White Pine
The Eastern White Pine is a tall, long-lived conifer native to eastern North America, valued for its soft, lightweight wood and historical importance in shipbuilding and construction.
-
E.
Tsuga
Tsuga is a genus of coniferous trees commonly known as hemlocks, native to North America and Asia and valued for their shade, ornamental use, and ecological importance in cool, moist forests.
- 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: western red cedar Target entity description: Western red cedar is a large, long-lived coniferous tree native to the Pacific Northwest of North America, valued for its durable, aromatic wood and cultural significance to Indigenous peoples.
-
A.
Douglas fir
Douglas fir is a large, long-lived conifer native to western North America, valued for its strong timber and ecological importance in mountain and coastal forests.
-
B.
Sitka spruce
Sitka spruce is a large, fast-growing conifer native to the moist coastal forests of the Pacific Northwest of North America, valued for its strong yet lightweight wood used in construction and musical instruments.
-
C.
Engelmann spruce
Engelmann spruce is a high-elevation North American coniferous tree species known for forming dense subalpine forests in the Rocky Mountains and other western mountain ranges.
-
D.
Eastern White Pine
The Eastern White Pine is a tall, long-lived conifer native to eastern North America, valued for its soft, lightweight wood and historical importance in shipbuilding and construction.
-
E.
Tsuga
Tsuga is a genus of coniferous trees commonly known as hemlocks, native to North America and Asia and valued for their shade, ornamental use, and ecological importance in cool, moist forests.
- F. None of above. chosen
Statements (78)
| Predicate | Object |
|---|---|
| instanceOf |
conifer
ⓘ
evergreen tree ⓘ tree species ⓘ |
| allergenicity | wood dust can cause respiratory irritation in some people ⓘ |
| barkDescription | fibrous reddish-brown bark that peels in long strips ⓘ |
| binomialName |
Thuja plicata
ⓘ
linked to:
Thuja
|
| climatePreference | cool maritime climate ⓘ |
| commonName |
Pacific redcedar
ⓘ
giant arborvitae ⓘ western red cedar ⓘ |
| coneType | small woody seed cones ⓘ |
| contains | thujaplicins in heartwood ⓘ |
| crownShape | conical to irregular ⓘ |
| culturalSignificanceFor |
Indigenous peoples of the Pacific Northwest Coast
ⓘ
linked to:
Pacific Northwest Coast Indigenous peoples
|
| decayResistanceCause | thujaplicins and other extractives ⓘ |
| ecologicalRole |
contributes to forest structure in Pacific Northwest
ⓘ
provides habitat for wildlife ⓘ |
| family | Cupressaceae ⓘ |
| fireProperty | relatively low density and moderate fire resistance compared to some softwoods ⓘ |
| genus | Thuja ⓘ |
| growthForm | large coniferous tree ⓘ |
| habitat |
coastal temperate rainforests
ⓘ
moist forests ⓘ valley bottoms and riparian areas ⓘ |
| introducedTo |
Europe as an ornamental and timber tree
ⓘ
New Zealand as an ornamental and timber tree ⓘ other temperate regions for forestry ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | flattened sprays ⓘ |
| leafType | scale-like leaves ⓘ |
| lifespan | can exceed 1000 years ⓘ |
| nativeTo |
Oregon
ⓘ
Pacific Northwest of North America ⓘ
linked to:
Pacific Northwest
Washington State ⓘ
linked to:
Washington State, United States
coastal British Columbia ⓘ inland regions of British Columbia ⓘ inland regions of Idaho ⓘ inland regions of Montana ⓘ northern California ⓘ
linked to:
Northern California
|
| order | Pinales ⓘ |
| reproduction | monoecious ⓘ |
| shadeTolerance | high shade tolerance ⓘ |
| soilPreference |
moist well-drained soils
ⓘ
nutrient-rich soils ⓘ |
| symbolOf | cultural identity for many Pacific Northwest Indigenous nations ⓘ |
| taxonRank | species ⓘ |
| threat |
climate change impacts on moisture regimes
ⓘ
habitat loss from logging ⓘ |
| typicalDiameter | up to about 6 meters at breast height ⓘ |
| typicalHeight | 50–70 meters ⓘ |
| usedBy |
Coast Salish peoples
ⓘ
Haida people ⓘ
linked to:
Haida
Tlingit people ⓘ |
| usedFor |
baskets
ⓘ
canoes ⓘ clothing and textiles from bark ⓘ longhouses ⓘ totem poles ⓘ |
| usedIn | traditional medicines by Indigenous peoples ⓘ |
| valuedFor |
aromatic wood
ⓘ
boatbuilding ⓘ carvings ⓘ decking ⓘ durable wood ⓘ fencing ⓘ musical instruments ⓘ outdoor construction ⓘ rot resistance ⓘ saunas ⓘ shingles and shakes ⓘ siding and cladding ⓘ |
| woodColor |
pale yellowish white sapwood
ⓘ
reddish to pinkish brown heartwood ⓘ |
| woodProperty |
aromatic
ⓘ
dimensionally stable ⓘ lightweight ⓘ naturally decay resistant ⓘ resistant to insects ⓘ |
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: western red cedar Description of subject: Western red cedar is a large, long-lived coniferous tree native to the Pacific Northwest of North America, valued for its durable, aromatic wood and cultural significance to Indigenous peoples.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Stanley Park, Vancouver
linked to: western red cedar
linked to: western red cedar
linked to: western red cedar