little bluestem (Schizachyrium scoparium)
E750715
Little bluestem (Schizachyrium scoparium) is a perennial bunchgrass native to North American prairies, valued for its drought tolerance, wildlife habitat, and distinctive blue-green foliage that turns reddish-bronze in fall.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Andropogon scoparius (synonym of Schizachyrium scoparium) | 1 |
| little bluestem | 1 |
| little bluestem (Schizachyrium scoparium) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8695041 — 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: little bluestem (Schizachyrium scoparium) Context triple: [Blackland Prairie, historicallyDominatedBy, little bluestem (Schizachyrium scoparium)]
-
A.
big bluestem
Big bluestem is a tall, perennial warm-season prairie grass native to North America, known as a key component of tallgrass prairie ecosystems and an important forage species for grazing animals.
-
B.
Bouteloua
Bouteloua is a genus of drought-tolerant grasses, commonly known as grama grasses, native to the Americas and characteristic of many North American grassland and foothill ecosystems.
-
C.
Avena fatua
Avena fatua, commonly known as wild oat, is a widespread annual grass species often considered a weed in agricultural and disturbed habitats.
-
D.
Deschampsia
Deschampsia is a genus of tufted, cool-season grasses found in temperate and polar regions, including species adapted to harsh environments such as Antarctica.
-
E.
Kentucky bluegrass
Kentucky bluegrass is a cool-season perennial turfgrass widely used in lawns, sports fields, and pastures for its dense, fine-textured, and durable sod.
- 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: little bluestem (Schizachyrium scoparium) Target entity description: Little bluestem (Schizachyrium scoparium) is a perennial bunchgrass native to North American prairies, valued for its drought tolerance, wildlife habitat, and distinctive blue-green foliage that turns reddish-bronze in fall.
-
A.
big bluestem
Big bluestem is a tall, perennial warm-season prairie grass native to North America, known as a key component of tallgrass prairie ecosystems and an important forage species for grazing animals.
-
B.
Bouteloua
Bouteloua is a genus of drought-tolerant grasses, commonly known as grama grasses, native to the Americas and characteristic of many North American grassland and foothill ecosystems.
-
C.
Avena fatua
Avena fatua, commonly known as wild oat, is a widespread annual grass species often considered a weed in agricultural and disturbed habitats.
-
D.
Deschampsia
Deschampsia is a genus of tufted, cool-season grasses found in temperate and polar regions, including species adapted to harsh environments such as Antarctica.
-
E.
Kentucky bluegrass
Kentucky bluegrass is a cool-season perennial turfgrass widely used in lawns, sports fields, and pastures for its dense, fine-textured, and durable sod.
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
perennial bunchgrass
ⓘ
plant species ⓘ |
| class | Liliopsida ⓘ |
| commonName |
little bluestem
ⓘ
linked to:
little bluestem (Schizachyrium scoparium)
|
| droughtTolerance | high ⓘ |
| ecologicalRole |
dominant grass of mixed-grass prairie
ⓘ
dominant grass of tallgrass prairie ⓘ |
| erosionControl | used for soil stabilization ⓘ |
| family | Poaceae ⓘ |
| fireAdaptation | tolerant of periodic fire ⓘ |
| floweringSeason |
fall
ⓘ
late summer ⓘ |
| foliageColor |
blue-green in summer
ⓘ
reddish-bronze in fall ⓘ |
| genus | Schizachyrium ⓘ |
| growthForm | bunchgrass ⓘ |
| habitat |
old fields
ⓘ
open woodlands ⓘ prairies ⓘ roadsides ⓘ savannas ⓘ |
| inflorescenceType | spike-like raceme ⓘ |
| introducedAsOrnamental | yes ⓘ |
| kingdom | Plantae ⓘ |
| leafArrangement | basal and cauline leaves ⓘ |
| lifeCycle | perennial ⓘ |
| lightRequirement | full sun ⓘ |
| management | low maintenance in cultivation ⓘ |
| nativeTo |
Great Plains
ⓘ
North America ⓘ North American prairies ⓘ
linked to:
Prairies
eastern North America ⓘ |
| order | Poales ⓘ |
| ornamentalUse |
used in native plant gardens
ⓘ
used in ornamental grass plantings ⓘ |
| photosyntheticPathway | C4 ⓘ |
| phylum | Tracheophyta ⓘ |
| plantHeight | 0.3–1.0 meters ⓘ |
| restorationUse |
used in prairie restoration
ⓘ
used in reclamation of disturbed sites ⓘ |
| rootSystem | deep fibrous roots ⓘ |
| seedDispersal | wind-dispersed seeds ⓘ |
| seedHeadAppearance | fluffy white seed tufts ⓘ |
| soilPreference |
rocky soils
ⓘ
sandy soils ⓘ well-drained soils ⓘ |
| species |
Schizachyrium scoparium
ⓘ
linked to:
Schizachyrium
|
| stemColor | bluish ⓘ |
| subfamily | Panicoideae ⓘ |
| tolerance |
tolerant of drought
ⓘ
tolerant of heat ⓘ tolerant of poor soils ⓘ |
| tribe | Andropogoneae ⓘ |
| USDAHardinessZone | 3–9 ⓘ |
| wildlifeValue |
forage for livestock
ⓘ
provides cover for small mammals ⓘ provides food for birds ⓘ provides nesting habitat for birds ⓘ |
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: little bluestem (Schizachyrium scoparium) Description of subject: Little bluestem (Schizachyrium scoparium) is a perennial bunchgrass native to North American prairies, valued for its drought tolerance, wildlife habitat, and distinctive blue-green foliage that turns reddish-bronze in fall.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
little bluestem (Schizachyrium scoparium)
linked to: little bluestem (Schizachyrium scoparium)
linked to: little bluestem (Schizachyrium scoparium)