Illinois Natural History Survey - University of Illinois

Andropogon virginicus
Broom sedge
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
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Species Distribution
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County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, fibrous

Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped leaf shape

Inflorescence: panicle

Flowers: perfect; 3 merous; complete; hypogynous ovary position

Fruit: grain

Physiology: autotrophic; C4 C02 fixation

Ecology & Natural History

Habitat: Species is distributed on glades of chert or granite, sandy fields, along railroad tracks, rarely on wet open and swampy places. It is generally found in worn-out sandy fields.

ILPIN Notes: Culms are used to make brooms in southern U.S. Hitchcock, A.S. 1950. A Manual of the Grasses of the United States. United States Government Printing Office. Washington, D.C. 1051 pp. Campbell, C.S. 1983. Wind dispersal of some North American species of Andropogon (Gramineae). Rhodora 85:65-72. Species is occasional or common in southern half of Illinois, absent in northern half except for Cook, Dupage, Grundy, Kankakee, and Will county. Species is a serious problem in pastures on marginal lands, but it disappears under fertilization and adequate grazing. Species is tufted. Pedicellate spikelet is undeveloped with only the villous pedicels present; upper sheaths are somewhat inflated; culms are mostly glabrous; racemes are enclosed only at their bases; awns are nearly straight. Racemes are inserted singly and appearing alternate.

Functional Relationships:

  • Pollinators insects (wind)

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 1
  • Chicago Area:

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