Iris pseudacorus
Yellow iris Taxonomy
Synonyms: Subspecific taxa: Classification: Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI 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: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Europe
Species Description
General: Monocot, perennial Roots: adventitious, rhizomes Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped, linear, oblong leaf shape Inflorescence: solitary Flowers: perfect; 3 merous; complete, regular; yellow, others; epigynous ovary position Fruit: capsule Physiology: autotrophic Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Species is distributed in shallow waters; planted in gardens, often around pools or low wet ground. It is found especially along the Fox River in Kane co.; muddy calcareous springs. ILPIN Notes: This is a handsome and striking species with tall erect leaves a meter or more high. The tall stems bear the bright yellow flowers equal or shorter than the leaves. Stephens, H.A. 1980. Poisonous Plants of the Central United States. Regent Press of Kansas. Lawrence, KA. 165 pp. This species probably acts as a gastrointestinal irritant (Resinoids - Stephens). Functional Relationships:
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Coefficient of Conservatism (C-value) [?] :
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