loosestrife

Lythrum salicaria · Accepted scientific name

Scientific literature: Very Extensive (306 studies) · ★★★★★

Loosestrife, scientifically known as Lythrum salicaria, is a perennial herb native to Eurasia, frequently found in wetland habitats. While prized for its vibrant purple flower spikes, it is often considered a highly invasive species in North America, where it aggressively outcompetes native vegetation and disrupts delicate aquatic ecosystems.

Family
Lythraceae
Native range
Europe
Parts used
Flower · Stem
Common names
Purple Loosestrife · Spiked Loosestrife · 2 more
Scientific synonyms
Lythrum Salicaria Var. Glabricaule · Lythrum Salicaria F. Rariflorum · 52 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Lythrum salicaria

Synonyms

Regional and Traditional Names

Spanish:

  • Lythrum spiciforme
  • Lisimaquia purpúrea
  • Lythrum cinereum
  • Lythrum intermedium
  • Chabraea vulgaris
  • Lisimaquia purpurea
  • Lisimaquia roja
  • Salicaria hyssopifolia
  • Lythrum palustre
  • Tripera
  • Arroyuela
  • Hierba de las tripas
  • Esmermasangres
  • Salicaria vulgar
  • Lythrum spicatum
  • Lythrum tomentosum
  • frailes
  • salgueira
  • salgueiriño
  • salicaria
  • arroyuella
  • graciosa
  • hierba del toro
  • hierba lacharera
  • arroyuella
  • esmermasangres
  • frailes
  • graciosa
  • hierba de las tripas
  • hierba del toro
  • hierba lacharera
  • lisimaquia purpúrea
  • lisimaquia roja
  • salgueira
  • salgueiriño
  • salicaria
  • salicaria vulgar
  • tripera

German:

  • Gewöhnlicher Blutweiderich
  • Blut-Weiderich
  • Blutweiderich
  • Salicaire Commune
  • Blut-Weiderich
  • Blutweiderich
  • Gewöhnlicher Blutweiderich

French:

  • Salicaire commune
  • Salicaire
  • salicaire commune
  • lythrum salicaire
  • salicaire
  • salicaire commune

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. As a member of the subclass Magnoliidae and the order Myrtales, it is specifically positioned in the family Lythraceae. Finally, its taxonomic identification is completed by its designation in the genus Lythrum.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Myrtales
Family Lythraceae
Genus Lythrum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known as Lythrum salicaria, exhibits a specific presence across several regions of Northern Europe. In the Scandinavian peninsula, it can be found growing within the borders of Norway and Finland. Its distribution also extends to the island of Great Britain. Furthermore, the species is documented to inhabit the landscapes of Ireland. Finally, its range includes the coastal and inland areas of Denmark.

Region Area
Northern Europe Denmark
Northern Europe Finland
Northern Europe Great Britain
Northern Europe Ireland
Northern Europe Norway
Northern Europe Sweden
Middle Europe Austria
Middle Europe Belgium
Middle Europe Czechia-Slovakia
Middle Europe Germany

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lythrum salicaria is characterized by its ability to thrive in diverse, moisture-rich environments across a broad altitudinal gradient. This species is found at elevations ranging from a minimum of 400 m AMSL to a maximum of 1800 m AMSL. It exhibits a high degree of habitat plasticity, colonizing a wide variety of aquatic and semi-aquatic ecosystems including lakes, rivers, swamps, and shores. Additionally, it is frequently observed in wet meadows, shrubberies, and sandy areas, and can even extend its presence into disturbed landscapes such as crop fields.

Elevational range max:
1800 m AMSL
Elevational range min:
400 m AMSL
Habitat :
aquatic, crop fields, lakes, meadows: wet, rivers, sand, shores, shrubberies, swamps

Life history

The life history of Lythrum salicaria is characterized by its status as a perennial plant, allowing it to persist across multiple growing seasons. As a hemicryptophyte, its perennating buds are located at the soil surface, protected by leaf litter or soil during unfavorable periods. The species exhibits a deciduous nature, shedding its foliage annually as it transitions through its seasonal cycles.

Deciduousness :
deciduous
Life form :
hemicryptophyte
Lifecycle :
perennial

Morphology

The morphology of Lythrum salicaria is characterized by its growth form as a non-woody herb, exhibiting a self-supporting structure rather than acting as a climber or vine. As an independent organism, it does not function as a parasite or an epiphyte, maintaining a primarily terrestrial existence. The plant displays significant variation in its stature, with heights ranging from a minimum of 0.3 m to a maximum of 2 m, resulting in an average plant height of approximately 0.854 m.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
herb
Parasite :
independent
Plant height max:
2 m
Plant height mean:
0.854 m
Plant height min:
0.3 m
Woodiness :
non-woody

Physiology

The physiology of Lythrum salicaria is characterized by a C3 photosynthetic pathway, indicating a standard carbon fixation process typical of many temperate wetland species. As a non-carnivorous plant, it relies entirely on autotrophic nutrient acquisition through its root system and soil interface. The leaf morphology reflects a highly variable architecture, with leaf lengths ranging from a minimum of 1.7 cm to a maximum of 7 cm. The width of the leaves shows significant plasticity, with a minimum measurement of 0.3 cm and a maximum of 1.2 cm, resulting in a mean leaf width of 1.6 cm. These dimensions contribute to a mean leaf size of approximately 17.42375 cm². Furthermore, the plant exhibits a mean Specific Leaf Area (SLA) of 271.1 cm²/g, a metric that provides insight into its leaf thickness and resource allocation strategies regarding light interception and metabolic efficiency.

Carnivory :
non-carnivorous
Leaf length max:
7 cm
Leaf length min:
1.7 cm
Leaf size mean:
17.42375 cm²
Leaf width max:
1.2 cm
Leaf width mean:
1.6 cm
Leaf width min:
0.3 cm
Photosynthetic pathway :
C3
Specific Leaf Area (SLA) mean:
271.1 cm²/g

Reproduction

The reproduction of Lythrum salicaria is driven by a biotic pollination syndrome, specifically utilizing insects such as bees to facilitate the transfer of pollen. This plant exhibits a flowering period that begins in June and extends through September. During the reproductive cycle, self-fertilization is absent, necessitating cross-pollination. The resulting fruit is a dry, dehiscent capsule with an average length of 0.4 cm. The seeds produced are quite small, characterized by a mean length of 1 mm (ranging from a minimum to maximum of 1 mm) and a mean mass of approximately 0.0003822855 g, with individual seed masses varying from a minimum of 2e-05 g to a maximum of 0.00444 g. In terms of volume, the seeds range from a minimum of 0.061 mm³ to a maximum of 0.086 mm³, with a mean volume of 0.0735 mm³. Seed dispersal is achieved through two primary syndromes: hydrochorous (water-mediated) and epizoochorous (dispersal via attachment to animals), allowing the plant to colonize new habitats effectively. Notably, asexual reproduction is absent in this species.

Dehiscence :
dehiscent
Dispersal syndrome :
hydrochorous
Dispersal syndrome :
epizoochorous
Flowering time :
Jun
Flowering time :
Sep
Fruit dryness :
dry
Fruit length mean:
0.4 cm
Fruit type :
capsule
Pollination syndrome :
insect
Pollination syndrome :
bee
Pollination syndrome :
biotic
Reproduction asexual :
absent
Seed length mean:
1 mm
Seed mass max:
0.00444 g
Seed mass mean:
0.0003822855 g
Seed mass min:
2e-05 g
Seed volume max:
0.086 mm³
Seed volume mean:
0.0735 mm³
Seed volume min:
0.061 mm³
Self fertilization :
absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Lythrum salicaria has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include flower, stem.

Plant parts reported in Lythrum salicaria
Plant part Supporting sources Consensus
Flower 1 supporting sources ★☆☆☆☆
Stem 1 supporting sources ★☆☆☆☆

Flower

  1. Journal of ethnopharmacology

Stem

  1. Journal of ethnopharmacology

Chemicals

Lythrum salicaria has 58 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include Orientin, RUTIN, Tannin, BETA-SITOSTEROL, Gallic acid.

Chemicals reported in Lythrum salicaria
Chemical Supporting sources Consensus
Orientin 3 supporting sources ★★☆☆☆
RUTIN 3 supporting sources ★★☆☆☆
Tannin 3 supporting sources ★★☆☆☆
BETA-SITOSTEROL 2 supporting sources ★☆☆☆☆
Gallic acid 2 supporting sources ★☆☆☆☆
Tannins 2 supporting sources ★☆☆☆☆
Vescalagin 2 supporting sources ★☆☆☆☆
Vitexin 2 supporting sources ★☆☆☆☆
polyphenols 2 supporting sources ★☆☆☆☆
quercetin 2 supporting sources ★☆☆☆☆

Orientin

  1. Dr. Duke
  2. Zeitschrift fur Naturforschung. C, Journal of biosciences
  3. Journal of ethnopharmacology

RUTIN

  1. Pharmaceutics
  2. Natural product communications
  3. Molecules (Basel, Switzerland)

Tannin

  1. Dr. Duke
  2. Acta biologica Hungarica
  3. Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences

BETA-SITOSTEROL

  1. Dr. Duke
  2. Zeitschrift fur Naturforschung. C, Journal of biosciences

Gallic acid

  1. Wounds : a compendium of clinical research and practice
  2. Pharmaceutics

Tannins

  1. Wounds : a compendium of clinical research and practice
  2. Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences

Vescalagin

  1. Zeitschrift fur Naturforschung. C, Journal of biosciences
  2. Phytochemical analysis : PCA

Vitexin

  1. Dr. Duke
  2. Zeitschrift fur Naturforschung. C, Journal of biosciences

polyphenols

  1. Journal of ethnopharmacology
  2. Natural product communications

quercetin

  1. Wounds : a compendium of clinical research and practice
  2. Pharmaceutics

Activities

Lythrum salicaria has 199 reported activities identified across 2 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antimicrobial, Astringent, Antihyperglycemic, ACE-Inhibitor.

Activities reported in Lythrum salicaria
Activity Supporting sources Consensus
Antioxidant 4 supporting sources ★★☆☆☆
Antimicrobial 3 supporting sources ★★☆☆☆
Astringent 3 supporting sources ★★☆☆☆
Antihyperglycemic 2 supporting sources ★☆☆☆☆
ACE-Inhibitor 1 supporting sources ★☆☆☆☆
Abortifacient 1 supporting sources ★☆☆☆☆
Aldose-Reductase-Inhibitor 1 supporting sources ★☆☆☆☆
Allelochemic 1 supporting sources ★☆☆☆☆
Allelopathic 1 supporting sources ★☆☆☆☆
Allergenic 1 supporting sources ★☆☆☆☆

Antioxidant

  1. Dr. Duke
  2. Wounds : a compendium of clinical research and practice
  3. Molecules (Basel, Switzerland)
  4. Journal of ethnopharmacology

Antimicrobial

  1. Wounds : a compendium of clinical research and practice
  2. Journal of ethnopharmacology
  3. Molecules (Basel, Switzerland)

Astringent

  1. Dr. Duke
  2. Zeitschrift fur Naturforschung. C, Journal of biosciences
  3. Journal of ethnopharmacology

Antihyperglycemic

  1. Dr. Duke
  2. Molecules (Basel, Switzerland)

ACE-Inhibitor

  1. Dr. Duke

Abortifacient

  1. Dr. Duke

Aldose-Reductase-Inhibitor

  1. Dr. Duke

Allelochemic

  1. Dr. Duke

Allelopathic

  1. Dr. Duke

Allergenic

  1. Dr. Duke

Conditions

Lythrum salicaria has 16 reported investigations on conditions identified across 2 scientific publications and several other databases. The most consistently reported conditions include dysentery, Helicobacter pylori, bleeding, blood glucose, diarrhea.

Conditions investigated for Lythrum salicaria
Condition Supporting sources Consensus
Dysentery 2 supporting sources ★☆☆☆☆
Helicobacter pylori 1 supporting sources ★☆☆☆☆
Bleeding 1 supporting sources ★☆☆☆☆
Blood glucose 1 supporting sources ★☆☆☆☆
Diarrhea 1 supporting sources ★☆☆☆☆
Eczema 1 supporting sources ★☆☆☆☆
Gastrointestinal disorders 1 supporting sources ★☆☆☆☆
Gastrointestinal motility 1 supporting sources ★☆☆☆☆
Gums 1 supporting sources ★☆☆☆☆
Hemorrhages 1 supporting sources ★☆☆☆☆

Dysentery

  1. Journal of ethnopharmacology
  2. Acta biologica Hungarica

Helicobacter pylori

  1. Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences

Bleeding

  1. Journal of ethnopharmacology

Blood glucose

  1. Journal of ethnopharmacology

Diarrhea

  1. Journal of ethnopharmacology

Eczema

  1. Journal of ethnopharmacology

Gastrointestinal disorders

  1. Journal of ethnopharmacology

Gastrointestinal motility

  1. Natural product communications

Gums

  1. Journal of ethnopharmacology

Hemorrhages

  1. Journal of ethnopharmacology

Preparations

Lythrum salicaria has 4 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include Aqueous and 40% ethanol extracts, ether extracts from flowers, ether extracts from stem, hydromethanolic extracts.

Preparations reported for Lythrum salicaria
Preparation Supporting sources Consensus
Aqueous and 40% ethanol extracts 1 supporting sources ★☆☆☆☆
Ether extracts from flowers 1 supporting sources ★☆☆☆☆
Ether extracts from stem 1 supporting sources ★☆☆☆☆
Hydromethanolic extracts 1 supporting sources ★☆☆☆☆

Aqueous and 40% ethanol extracts

  1. Molecules (Basel, Switzerland)

Ether extracts from flowers

  1. Journal of ethnopharmacology

Ether extracts from stem

  1. Journal of ethnopharmacology

Hydromethanolic extracts

  1. Wounds : a compendium of clinical research and practice