Illinois Natural History Survey - University of Illinois

Lythrum salicaria
Purple loosestrife
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 [?]

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F
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M
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A
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M
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J
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J
0
A
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S
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O
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N
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D
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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Europe

Species Description

General: Dicot-herb, perennial

Roots: primary

Shoots: opposite, whorled leaf arrangment; simple leaf type; entire leaf margin; Pinnate leaf venation; awl-shaped, oblong, orbicular and peltate leaf shape

Inflorescence: spike

Flowers: perfect; 4 merous; complete, regular; red, violet; perigynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Species is distributed on mudbars in rivers.

ILPIN Notes: This is including var. tomentosum (Mill) DC. Flowers are 4-7 merous. Regarding flower merous, it may be 4, 5, or other. Species is partly woody. Species often chokes out native vegetation. Graham, S. A. 1964. The genera of Lythraceae in the southeastern United States. Journal of the Arnold Arboretum 45: 235-250.

Functional Relationships:

  • Pollinators insects (insect)

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: medium

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State:
  • Chicago Area:

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