California redwood

E257

conifer plant genus species tree vascular plant

The California redwood is a towering, long-lived coniferous tree native to the coastal and mountainous regions of California, renowned for being among the tallest and largest trees on Earth.

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All labels observed (7)

Label	Occurrences
Sequoia sempervirens	18
Sequoia	2
California redwood canonical	1
Redwood forests of California	1
Sequoia sempervirens (coast redwood)	1
coast redwood	1
coast redwood (Sequoia sempervirens)	1

How this entity was disambiguated

This entity first appeared as the object of triple T1400 — 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: California redwood
Context triple: [California, hasOfficialStateTree, California redwood]

A. Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
B. California, United States
California, United States is a large and populous U.S. state on the West Coast known for its diverse geography, major technology and entertainment industries, and cultural and economic influence.
C. Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
D. Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
E. Veritas
Veritas is the Latin word for "truth" and is famously used as the motto of Harvard University.
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: California redwood
Target entity description: The California redwood is a towering, long-lived coniferous tree native to the coastal and mountainous regions of California, renowned for being among the tallest and largest trees on Earth.

A. American elm
The American elm is a large, deciduous North American tree species historically prized for its vase-shaped form and use as a prominent shade and street tree.
B. Cape Cod
Cape Cod is a hook-shaped peninsula in southeastern Massachusetts known for its sandy beaches, maritime villages, and popular summer tourism.
C. Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
D. California, United States
California, United States is a large and populous U.S. state on the West Coast known for its diverse geography, major technology and entertainment industries, and cultural and economic influence.
E. Delano
Delano is the middle name of Franklin D. Roosevelt, the 32nd president of the United States.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	conifer ⓘ plant genus ⓘ species ⓘ tree ⓘ vascular plant ⓘ
barkCharacteristic	fibrous bark ⓘ fire-resistant bark ⓘ thick bark ⓘ
barkColor	reddish-brown ⓘ
class	Pinopsida ⓘ
climatePreference	cool maritime climate ⓘ frequent coastal fog ⓘ
commonNameOf	California redwood self-linksurface differs ⓘ surface form: Sequoia sempervirens
conservationStatus	Endangered ⓘ
distribution	Big Sur region of California ⓘ northern California coast ⓘ
division	Pinophyta ⓘ
ecologicalRole	carbon sink ⓘ dominant canopy species in coastal redwood forests ⓘ
family	Cupressaceae ⓘ
genus	California redwood self-linksurface differs ⓘ surface form: Sequoia
growthForm	towering tree ⓘ
habitat	coastal forests ⓘ fog belt of the Pacific coast ⓘ mountainous regions of California ⓘ
kingdom	Plantae ⓘ
leafType	evergreen ⓘ needle-like leaves ⓘ
lifespan	over 1000 years ⓘ up to about 2000 years ⓘ
maximumHeight	over 110 meters ⓘ over 360 feet ⓘ
nativeTo	California, United States ⓘ surface form: California Oregon ⓘ surface form: southwestern Oregon
notableFor	being among the tallest trees on Earth ⓘ great longevity ⓘ massive trunk diameter ⓘ
order	Pinales ⓘ
photosynthesisType	C3 ⓘ
protectedIn	Redwood National and State Parks ⓘ various California state parks ⓘ
reproduction	monoecious ⓘ produces cones ⓘ
taxonRank	species ⓘ
threat	habitat loss ⓘ logging ⓘ
woodProperty	decay-resistant wood ⓘ
woodUse	construction timber ⓘ outdoor structures ⓘ

How these facts were elicited

Referenced by (25)

Full triples — surface form annotated when it differs from this entity's canonical label.

California, United States → hasOfficialStateTree → California redwood ⓘ

subject surface form: California

California redwood → commonNameOf → California redwood self-linksurface differs ⓘ