Illinois Natural History Survey - University of Illinois

Iris fulva
Swamp red iris
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

  • Magnoliophyta

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: Formerly State Threatened

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, rhizomes

Shoots: simple leaf type; entire leaf margin; Parallel leaf venation; hastate leaf shape

Inflorescence: solitary

Flowers: perfect; 3 merous; complete, regular; orange, others; epigynous ovary position

Fruit: capsule

Physiology: autotrophic

Ecology & Natural History

Habitat: Ditches along highways and railroads; bald cypress swamps, slough borders, bayous, ponds, along open ditches and drainage canals, and swampy woods.

ILPIN Notes: Leaves ensiform (sword-shaped); flowers copper colored to brownish-orange; leaves not confined to base of plant; striking when in flower, often growing nearly submerged in water. end in S. Illinois. Probably contains a gastrointestinal irritant; resinoids Stephens, H.A. 1980. Poisonous Plants of the Central United States.

Functional Relationships:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: yes

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 9
  • Chicago Area:

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