Astrophytum
E866478
Astrophytum is a small genus of distinctive, star-shaped cacti native to North America, prized in cultivation for their geometric forms and often speckled or woolly surfaces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Astrophytum canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10349203 — 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: Astrophytum Context triple: [Cactoideae, includesGenus, Astrophytum]
-
A.
Mammillaria
Mammillaria is a large and diverse genus of small, often spherical cacti known for their dense tubercles and attractive ring-shaped flower displays.
-
B.
Lophocereus schottii
Lophocereus schottii is a columnar cactus species native to the Sonoran Desert region of northwestern Mexico, known for its tall, slender, many-branched stems and adaptation to arid environments.
-
C.
Echinocactus
Echinocactus is a genus of globular, heavily spined cacti native to Mexico and the southwestern United States, commonly known as barrel cacti.
-
D.
Coryphantha
Coryphantha is a genus of small, often globular cacti known for their tuberculate stems and showy flowers, native to arid regions of North and Central America.
-
E.
Echinocereus engelmannii
Echinocereus engelmannii is a species of hedgehog cactus native to the deserts of the southwestern United States and northern Mexico, known for its spiny stems and showy, brightly colored spring flowers.
- 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: Astrophytum Target entity description: Astrophytum is a small genus of distinctive, star-shaped cacti native to North America, prized in cultivation for their geometric forms and often speckled or woolly surfaces.
-
A.
Mammillaria
Mammillaria is a large and diverse genus of small, often spherical cacti known for their dense tubercles and attractive ring-shaped flower displays.
-
B.
Lophocereus schottii
Lophocereus schottii is a columnar cactus species native to the Sonoran Desert region of northwestern Mexico, known for its tall, slender, many-branched stems and adaptation to arid environments.
-
C.
Echinocactus
Echinocactus is a genus of globular, heavily spined cacti native to Mexico and the southwestern United States, commonly known as barrel cacti.
-
D.
Coryphantha
Coryphantha is a genus of small, often globular cacti known for their tuberculate stems and showy flowers, native to arid regions of North and Central America.
-
E.
Echinocereus engelmannii
Echinocereus engelmannii is a species of hedgehog cactus native to the deserts of the southwestern United States and northern Mexico, known for its spiny stems and showy, brightly colored spring flowers.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | genus ⓘ |
| adaptation |
drought tolerance
ⓘ
water storage in stem ⓘ |
| belongsTo | subfamily Cactoideae NERFINISHED ⓘ |
| clade |
Magnoliophyta
ⓘ
surface form:
Angiosperms
Eudicots ⓘ |
| cultivatedAs |
greenhouse plant
ⓘ
potted plant ⓘ |
| cultivationDifficulty | moderate ⓘ |
| family | Cactaceae NERFINISHED ⓘ |
| flowerColor |
yellow
ⓘ
yellow with red center ⓘ |
| floweringTime | summer ⓘ |
| geometricFeature |
distinct ribs
ⓘ
star-like outline from above ⓘ |
| habitat |
arid regions
ⓘ
rocky soils ⓘ semi-desert ⓘ |
| hasGrowthForm |
globular cactus
ⓘ
succulent ⓘ |
| hasNotableSpecies |
Astrophytum asterias
NERFINISHED
ⓘ
Astrophytum capricorne ⓘ Astrophytum caput-medusae NERFINISHED ⓘ Astrophytum coahuilense NERFINISHED ⓘ Astrophytum myriostigma NERFINISHED ⓘ Astrophytum ornatum NERFINISHED ⓘ |
| kingdom | Plantae ⓘ |
| nativeTo |
Mexico
NERFINISHED
ⓘ
North America ⓘ United States NERFINISHED ⓘ |
| order | Caryophyllales NERFINISHED ⓘ |
| photosyntheticPathway | CAM photosynthesis ⓘ |
| pollination | insect-pollinated ⓘ |
| propagationMethod |
grafting
ⓘ
seed ⓘ |
| requires |
bright light
ⓘ
minimal watering ⓘ well-drained soil ⓘ |
| surfaceCharacteristic |
speckled epidermis
ⓘ
woolly areoles ⓘ |
| taxonRank | genus ⓘ |
| typicalShape |
ribbed stem
ⓘ
star-shaped stem ⓘ |
| usedAs | ornamental plant ⓘ |
| valuedFor |
geometric form
ⓘ
ornamental cultivation ⓘ |
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: Astrophytum Description of subject: Astrophytum is a small genus of distinctive, star-shaped cacti native to North America, prized in cultivation for their geometric forms and often speckled or woolly surfaces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.