Marattiopsida
E240433
Marattiopsida is a class of large, mostly tropical ferns characterized by robust, fleshy rhizomes and often massive, pinnate fronds, representing one of the more ancient lineages of living ferns.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Marattiaceae | 1 |
| Marattiopsida canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2147358 — 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: Marattiopsida Context triple: [Polypodiophyta, subdivisionIncludes, Marattiopsida]
-
A.
Lardizabalaceae
Lardizabalaceae is a small family of mostly woody, often climbing flowering plants known for their ornamental foliage and sometimes edible fruits, native primarily to East Asia and the Andes.
-
B.
Dirachmaceae
Dirachmaceae is a small family of flowering plants in the order Rosales, comprising rare shrubs or small trees native to arid regions of the Horn of Africa and nearby areas.
-
C.
Menispermaceae
Menispermaceae is a family of mostly tropical climbing plants known for their often toxic alkaloids and distinctive curved or crescent-shaped seeds.
-
D.
Anisophylleaceae
Anisophylleaceae is a small family of tropical flowering trees and shrubs known for their distinctive leaf arrangement and occurrence in wet forest habitats.
-
E.
Barbeyaceae
Barbeyaceae is a small family of flowering plants in the order Rosales, comprising shrubs or small trees native to arid and semi-arid regions of East Africa and the Arabian Peninsula.
- 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: Marattiopsida Target entity description: Marattiopsida is a class of large, mostly tropical ferns characterized by robust, fleshy rhizomes and often massive, pinnate fronds, representing one of the more ancient lineages of living ferns.
-
A.
Lardizabalaceae
Lardizabalaceae is a small family of mostly woody, often climbing flowering plants known for their ornamental foliage and sometimes edible fruits, native primarily to East Asia and the Andes.
-
B.
Dirachmaceae
Dirachmaceae is a small family of flowering plants in the order Rosales, comprising rare shrubs or small trees native to arid regions of the Horn of Africa and nearby areas.
-
C.
Menispermaceae
Menispermaceae is a family of mostly tropical climbing plants known for their often toxic alkaloids and distinctive curved or crescent-shaped seeds.
-
D.
Anisophylleaceae
Anisophylleaceae is a small family of tropical flowering trees and shrubs known for their distinctive leaf arrangement and occurrence in wet forest habitats.
-
E.
Barbeyaceae
Barbeyaceae is a small family of flowering plants in the order Rosales, comprising shrubs or small trees native to arid and semi-arid regions of East Africa and the Arabian Peninsula.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fern class
ⓘ
plant class ⓘ taxonomic rank ⓘ |
| age | Paleozoic origin ⓘ |
| characteristic |
ancient fern lineage
ⓘ
endoscopic root development ⓘ eusporangiate sporangia ⓘ fleshy cortex in stems ⓘ fronds often with circinate vernation ⓘ gametophytes often subterranean or partially subterranean ⓘ large ferns ⓘ large multi-spored sporangia ⓘ massive pinnate fronds ⓘ mostly tropical distribution ⓘ often massive underground rhizomes ⓘ robust fleshy rhizomes ⓘ thick-walled sporangia ⓘ |
| commonName | marattioid ferns ⓘ |
| containsFamily |
Marattiopsida
self-linksurface differs
ⓘ
surface form:
Marattiaceae
|
| containsGenus |
Angiopteris
ⓘ
Christensenia ⓘ Danaea ⓘ Marattiales ⓘ
surface form:
Marattia
Ptisana ⓘ |
| containsOrder | Marattiales ⓘ |
| distribution | pantropical ⓘ |
| division |
Polypodiophyta
ⓘ
Polypodiophyta ⓘ
surface form:
Pteridophyta
|
| ecology |
often rainforest understory
ⓘ
primarily tropical habitats ⓘ |
| fossilRecord |
diverse in the Carboniferous
ⓘ
known from Paleozoic fossils ⓘ |
| habitat |
humid forest soils
ⓘ
shaded environments ⓘ |
| isA |
fern
ⓘ
spore-bearing plant ⓘ vascular plant ⓘ |
| kingdom | Plantae ⓘ |
| notableSpecies |
Angiopteris
ⓘ
surface form:
Angiopteris evecta
Marattia fraxinea ⓘ |
| photosynthesisType | C3 photosynthesis ⓘ |
| phylogeneticStatus |
basal lineage of leptosporangiate ferns sensu lato
ⓘ
sister to leptosporangiate ferns in many analyses ⓘ |
| reproduction |
alternation of generations
ⓘ
requires water for fertilization ⓘ spores produced in sporangia ⓘ |
| subdivision |
Polypodiidae
ⓘ
surface form:
Polypodiophytina
|
| taxonRank | class ⓘ |
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: Marattiopsida Description of subject: Marattiopsida is a class of large, mostly tropical ferns characterized by robust, fleshy rhizomes and often massive, pinnate fronds, representing one of the more ancient lineages of living ferns.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Marattiaceae