Joshua tree (Yucca brevifolia)
E46487
The Joshua tree (Yucca brevifolia) is a distinctive, tree-like yucca native to the Mojave Desert, known for its twisted, spiky branches and iconic presence in arid Southwestern U.S. landscapes.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yucca brevifolia | 3 |
| Joshua tree | 1 |
| Joshua tree (Yucca brevifolia) canonical | 1 |
| Joshua trees | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T371154 — 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: Joshua tree (Yucca brevifolia) Context triple: [Kingston Range, vegetation, Joshua tree (Yucca brevifolia)]
-
A.
Palo verde
Palo verde is a small desert tree native to the American Southwest, recognized for its green bark and bright yellow spring blossoms.
-
B.
Carnegiea
Carnegiea is a small genus of large, columnar cacti best known for the iconic saguaro cactus native to the Sonoran Desert of North America.
-
C.
Mesquite
Mesquite is a suburban city in the eastern part of the Dallas–Fort Worth metropolitan area known for its residential communities and regional retail centers.
-
D.
nopal cactus
The nopal cactus is a prickly pear cactus native to the Americas, especially associated with Mexican cuisine, culture, and symbolism.
-
E.
Callipepla californica
Callipepla californica, commonly known as the California quail, is a small, plump New World quail native to western North America, recognizable by its forward-drooping head plume and scaled belly pattern.
- 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: Joshua tree (Yucca brevifolia) Target entity description: The Joshua tree (Yucca brevifolia) is a distinctive, tree-like yucca native to the Mojave Desert, known for its twisted, spiky branches and iconic presence in arid Southwestern U.S. landscapes.
-
A.
Palo verde
Palo verde is a small desert tree native to the American Southwest, recognized for its green bark and bright yellow spring blossoms.
-
B.
Carnegiea
Carnegiea is a small genus of large, columnar cacti best known for the iconic saguaro cactus native to the Sonoran Desert of North America.
-
C.
Mesquite
Mesquite is a suburban city in the eastern part of the Dallas–Fort Worth metropolitan area known for its residential communities and regional retail centers.
-
D.
nopal cactus
The nopal cactus is a prickly pear cactus native to the Americas, especially associated with Mexican cuisine, culture, and symbolism.
-
E.
Callipepla californica
Callipepla californica, commonly known as the California quail, is a small, plump New World quail native to western North America, recognizable by its forward-drooping head plume and scaled belly pattern.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
evergreen plant
ⓘ
monocot ⓘ perennial plant ⓘ plant species ⓘ yucca ⓘ |
| branchingPattern | irregular branching ⓘ |
| climatePreference | arid climate ⓘ |
| commonName |
Joshua tree
ⓘ
Joshua tree (Yucca brevifolia) self-linksurface differs ⓘ
surface form:
Yucca brevifolia
|
| conservationConcern | threatened by climate change ⓘ |
| describedBy | George Engelmann ⓘ |
| describedInYear | 1871 ⓘ |
| distribution | elevations roughly 400 to 1,800 meters in Mojave Desert ⓘ |
| family | Asparagaceae ⓘ |
| flowerColor | creamy white ⓘ |
| floweringSeason | spring ⓘ |
| fruitType | fleshy capsule ⓘ |
| genus | Yucca ⓘ |
| growthForm |
arborescent yucca
ⓘ
tree-like shrub ⓘ |
| habitat |
desert
ⓘ
high desert ⓘ |
| hasProtectedArea | Joshua Tree National Park ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | rosette ⓘ |
| leafShape | narrow dagger-like leaves ⓘ |
| leafType | evergreen ⓘ |
| lifespan | several hundred years ⓘ |
| maximumHeight | about 15 meters ⓘ |
| nativeTo |
Arizona
ⓘ
California, United States ⓘ
surface form:
California
Mojave Desert ⓘ Nevada ⓘ southwestern United States ⓘ
surface form:
Southwestern United States
Utah ⓘ |
| order | Asparagales ⓘ |
| pollinatedBy | yucca moths ⓘ |
| pollinationType | insect pollination ⓘ |
| scientificName |
Joshua tree (Yucca brevifolia)
self-linksurface differs
ⓘ
surface form:
Yucca brevifolia
|
| seedDispersalBy |
animals
ⓘ
wind ⓘ |
| soilPreference | well-drained soils ⓘ |
| subfamily | Agavoideae ⓘ |
| symbolOf | Mojave Desert ⓘ |
| taxonRank | species ⓘ |
| tolerates |
drought
ⓘ
high temperature ⓘ |
| typicalHeight | 5 to 10 meters ⓘ |
| usedFor | ornamental planting ⓘ |
| usedHistoricallyBy |
Native Americans
ⓘ
surface form:
Native American peoples
|
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: Joshua tree (Yucca brevifolia) Description of subject: The Joshua tree (Yucca brevifolia) is a distinctive, tree-like yucca native to the Mojave Desert, known for its twisted, spiky branches and iconic presence in arid Southwestern U.S. landscapes.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Joshua tree
this entity surface form:
Yucca brevifolia
this entity surface form:
Joshua trees
Joshua tree (Yucca brevifolia)
→
scientificName
→
Joshua tree (Yucca brevifolia)
self-linksurface differs
ⓘ
subject surface form:
Joshua tree
this entity surface form:
Yucca brevifolia
Joshua tree (Yucca brevifolia)
→
commonName
→
Joshua tree (Yucca brevifolia)
self-linksurface differs
ⓘ
subject surface form:
Joshua tree
this entity surface form:
Yucca brevifolia