Ptisana
E850915
Ptisana is a genus of tropical ferns in the family Marattiaceae, characterized by large, often highly divided fronds and a preference for humid, shaded habitats.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ptisana canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10254766 — 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: Ptisana Context triple: [Marattiopsida, containsGenus, Ptisana]
-
A.
Belo-sur-Tsiribihina
Belo-sur-Tsiribihina is a small town in western Madagascar that serves as a common gateway for river trips and access to the nearby Tsingy de Bemaraha National Park.
-
B.
Anjara
Anjara is a town in northern Jordan situated within the hilly, forested region of Ajloun, known for its Christian pilgrimage sites and scenic landscapes.
-
C.
Rahaita
Rahaita is a settlement located in Eritrea's Southern Red Sea Region, along the country's arid Red Sea coastal area.
-
D.
Mahafaly Malagasy
Mahafaly Malagasy is a regional variety of the Malagasy language spoken primarily by the Mahafaly people in southwestern Madagascar.
-
E.
Ambodifotatra
Ambodifotatra is the main town and port on Île Sainte-Marie, an island off Madagascar’s east coast known for its historic pirate connections and tropical setting.
- 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: Ptisana Target entity description: Ptisana is a genus of tropical ferns in the family Marattiaceae, characterized by large, often highly divided fronds and a preference for humid, shaded habitats.
-
A.
Belo-sur-Tsiribihina
Belo-sur-Tsiribihina is a small town in western Madagascar that serves as a common gateway for river trips and access to the nearby Tsingy de Bemaraha National Park.
-
B.
Anjara
Anjara is a town in northern Jordan situated within the hilly, forested region of Ajloun, known for its Christian pilgrimage sites and scenic landscapes.
-
C.
Rahaita
Rahaita is a settlement located in Eritrea's Southern Red Sea Region, along the country's arid Red Sea coastal area.
-
D.
Mahafaly Malagasy
Mahafaly Malagasy is a regional variety of the Malagasy language spoken primarily by the Mahafaly people in southwestern Madagascar.
-
E.
Ambodifotatra
Ambodifotatra is the main town and port on Île Sainte-Marie, an island off Madagascar’s east coast known for its historic pirate connections and tropical setting.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
taxon ⓘ |
| belongsToClade |
ferns
ⓘ
vascular plants ⓘ |
| class |
Polypodiopsida
ⓘ
linked to:
Polypodiidae
|
| commonName | tropical marattioid ferns ⓘ |
| division | Polypodiophyta ⓘ |
| ecologicalPreference |
low light conditions
ⓘ
moist soils ⓘ |
| family |
Marattiaceae
ⓘ
linked to:
Marattiopsida
|
| frondCharacteristic |
highly divided fronds
ⓘ
large fronds ⓘ |
| growthForm | fern ⓘ |
| habitat |
humid habitats
ⓘ
shaded habitats ⓘ tropical regions ⓘ |
| hasOrgan |
frond
ⓘ
rhizome ⓘ |
| isPhotosynthetic | true ⓘ |
| kingdom | Plantae ⓘ |
| leafType | frond ⓘ |
| lifeCycle | alternation of generations ⓘ |
| nativeClimate | tropical climate ⓘ |
| order | Marattiales ⓘ |
| parentTaxon |
Marattiaceae
ⓘ
linked to:
Marattiopsida
|
| photosyntheticPathway | C3 photosynthesis ⓘ |
| reproduction | spores ⓘ |
| sporeDispersal | wind-dispersed spores ⓘ |
| sporeLocation | sori ⓘ |
| taxonRank | genus ⓘ |
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: Ptisana Description of subject: Ptisana is a genus of tropical ferns in the family Marattiaceae, characterized by large, often highly divided fronds and a preference for humid, shaded habitats.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.