Isoetes
E888594
Isoetes is a genus of small, aquatic or semi-aquatic vascular plants commonly known as quillworts, characterized by grass-like leaves and spore-bearing structures at their bases.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Isoetes canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10837680 — 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: Isoetes Context triple: [Isoetales, typeGenus, Isoetes]
-
A.
Sporopipes
Sporopipes is a small genus of African weaver birds known for their sparrow-like appearance and intricate nest-building behavior.
-
B.
Calamites
Calamites is an extinct genus of tree-like, jointed horsetail plants that formed part of the lush coal-forming forests of the Carboniferous period.
-
C.
Pipturus
Pipturus is a genus of flowering plants in the nettle order known for its shrubby species, some of which produce fibrous bark and small edible fruits.
-
D.
Sigillaria
Sigillaria is an extinct genus of tall, spore-bearing lycopsid trees that dominated Carboniferous coal swamp forests.
-
E.
Lepidodendron
Lepidodendron is an extinct genus of giant, tree-like lycopsid plants that dominated Carboniferous coal swamp forests.
- 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: Isoetes Target entity description: Isoetes is a genus of small, aquatic or semi-aquatic vascular plants commonly known as quillworts, characterized by grass-like leaves and spore-bearing structures at their bases.
-
A.
Sporopipes
Sporopipes is a small genus of African weaver birds known for their sparrow-like appearance and intricate nest-building behavior.
-
B.
Calamites
Calamites is an extinct genus of tree-like, jointed horsetail plants that formed part of the lush coal-forming forests of the Carboniferous period.
-
C.
Pipturus
Pipturus is a genus of flowering plants in the nettle order known for its shrubby species, some of which produce fibrous bark and small edible fruits.
-
D.
Sigillaria
Sigillaria is an extinct genus of tall, spore-bearing lycopsid trees that dominated Carboniferous coal swamp forests.
-
E.
Lepidodendron
Lepidodendron is an extinct genus of giant, tree-like lycopsid plants that dominated Carboniferous coal swamp forests.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
plant genus
ⓘ
vascular plant genus ⓘ |
| adaptation |
ability to grow in drawdown zones
ⓘ
ability to grow submerged ⓘ tolerance to low-nutrient waters ⓘ |
| chromosomeType | frequent polyploidy ⓘ |
| class | Isoetopsida NERFINISHED ⓘ |
| commonName | quillworts ⓘ |
| conservationStatus | many species locally rare or threatened ⓘ |
| describedAs | living fossil lycophyte lineage ⓘ |
| distribution | cosmopolitan ⓘ |
| division | Lycopodiophyta NERFINISHED ⓘ |
| ecologicalRole |
aquatic primary producer
ⓘ
substrate stabilizer in aquatic sediments ⓘ |
| family | Isoetaceae NERFINISHED ⓘ |
| foundInContinent |
Africa
NERFINISHED
ⓘ
Asia NERFINISHED ⓘ Australia NERFINISHED ⓘ Europe NERFINISHED ⓘ North America NERFINISHED ⓘ South America NERFINISHED ⓘ |
| foundInRegion |
Arctic regions
NERFINISHED
ⓘ
temperate regions ⓘ tropical regions ⓘ |
| habitat |
lakes
ⓘ
ponds ⓘ seasonally wet soils ⓘ slow-moving streams ⓘ wetlands ⓘ |
| is | heterosporous lycophyte ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | rosette of leaves from corm ⓘ |
| leafMorphology | grass-like leaves ⓘ |
| lifeForm |
aquatic plant
ⓘ
semi-aquatic plant ⓘ |
| numberOfDescribedSpecies | over 150 species ⓘ |
| order | Isoetales NERFINISHED ⓘ |
| photosyntheticPathway | C3 photosynthesis ⓘ |
| pollinationMode | water-dispersed spores ⓘ |
| reproductiveStructure | sporangia at leaf bases ⓘ |
| reproductiveType | spore-bearing plant ⓘ |
| rootSystem |
adventitious roots from corm
ⓘ
corm-like stem ⓘ |
| sporangiaPosition | embedded at leaf bases ⓘ |
| sporangiaProtection | covered by velum ⓘ |
| sporeType |
megaspores
ⓘ
microspores ⓘ |
| taxonRank | genus ⓘ |
| typeSpecies | Isoetes lacustris NERFINISHED ⓘ |
| usedIn | paleoclimate and evolutionary studies ⓘ |
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: Isoetes Description of subject: Isoetes is a genus of small, aquatic or semi-aquatic vascular plants commonly known as quillworts, characterized by grass-like leaves and spore-bearing structures at their bases.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.