Native & Naturalized Plants of the Carolinas & Georgia


892

Forb
Perennial

Non-native: Eurasia
Documented growing wild in - NC -

Rare here, but aggressively colonizing wetlands in ne US

Look for it in swamps, marshes, other wet places, per Weakley's Flora

map
To see a detailed map, click here


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Alabama Invasive Plant Council, 2012
Brooklyn Botanic Garden
Kentucky Exotic Pest Plant Council, 2013
SC Department of Natural Resources Aquatic Nuisance Species List, 2003
SC Exotic Pest Plant Council, 2014
SC List of Regulated Pest Plant Species, 2017
Tennessee Exotic Pest Plant Council, 2009
US Fish & Wildlife Service
US Forest Service Southern Research Station
Virginia Department of Conservation and Recreation, 2014

 

...Wet

LEAVES:
Simple
Whorls of 3, or opposite

FLOWER:
Summer/Fall
Purple
Bisexual
4-6 merous
5-toothed calyx
6 petals (usually)
12 stamens (usually)
Superior ovary

FRUIT:
Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales

WEAKLEY'S FLORA (11/30/12):
Lythrum salicaria   FAMILY Lythraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Lythrum salicaria   FAMILY Lythraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 135-05-002:
Lythrum salicaria   FAMILY Lythraceae

 

COMMON NAME:
Purple Loosestrife


Click or hover over the thumbnails to see larger pictures.

image of Lythrum salicaria

Cindy Roche, Bugwood.org    bug_1291022

        

image of Lythrum salicaria

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_lysa2_001_lvd

        

image of Lythrum salicaria

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_lysa2_008_lvd

        

image of Lythrum salicaria

    wwwseeppcky_ploosestrife

        

www.se-eppc.org/ky/leastwant.htm

image of Lythrum salicaria

Keith Bradley    kab_l_salicaria_2593

August    Hamilton County    NY

Adirondack State Park

image of Lythrum salicaria

Gary L. Piper, Washington State University, Bugwood.org    bug_1459319b

Month Unknown        

The hairy calyx has 5 teeth at its apex and several veins along its length, per www.illinoiswildflowers.info.

image of Lythrum salicaria

Gary L. Piper, Washington State University, Bugwood.org    bug_1459319c

Month Unknown        

Each wrinkly petal has a dark purple line toward its base, per www.illinoiswildflowers.info.

image of Lythrum salicaria

Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org     bug_1552186

Month Unknown        

image of Lythrum salicaria

Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org     bug_1552188

Month Unknown        

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479533

Month Unknown        

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479557

Month Unknown        

A single rootstock sends up 30-50 erect stems, per Invasive Plants, Guide to Identification, Impacts and Control.

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479587

Month Unknown        

Flowers numerous in terminal spike-like thyrses, per Weakley's Flora.

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479638

Month Unknown        

Flowers sessile against the flowering stalks, or with very short pedicels, per www.illinoiswildflowers.info.

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479644

Month Unknown        

Leaves usually opposite, less often whorled in 3's, per www.illinoiswildflowers.info.

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479688

Month Unknown        

image of Lythrum salicaria

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5479710

Month Unknown