D I S C O V E R    L I F E   
Bee Hunt! Odonata Lepidoptera 
  HomeAll Living ThingsIDnature guidesGlobal mapperAlbumsLabelsSearch
  AboutNewsEventsResearchEducationProjectsStudy sitesHelp


Polygonum virginianum L.
JUMPSEED
Persicaria virginiana; Tovara virginiana

Life   Plantae   Dicotyledoneae   Polygonaceae   Polygonum

Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum

Click on map for details about points.

Links
80x5 - 240x3 - 240x4 - 320x1 - 320x2 - 320x3 - 640x1 - 640x2
Set display option above.
Click on images to enlarge.
Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum
Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum

Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum
Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum

Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum
Polygonum virginianum
© Copyright Bobby Hattaway 2011 · 5
Polygonum virginianum

Polygonum virginianum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, whole plant - in flower - general view
Polygonum virginianum, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, inflorescence - frontal view of flower

Polygonum virginianum, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, leaf - basal or on lower stem
Polygonum virginianum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, stem - showing leaf bases

Polygonum virginianum, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, leaf - margin of upper + lower surface
Polygonum virginianum, fruit - juvenile
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, fruit - juvenile

Polygonum virginianum, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Polygonum virginianum, leaf - on upper stem
Polygonum virginianum
© Les Mehrhoff, 2008-2010 · 1
Polygonum virginianum

Associates · map
FamilyScientific name @ source (records)
Amphisphaeriaceae  Pestalotia polygoni @ BPI (1)
Apidae  Bombus impatiens @ PN- (1)
Cicadellidae  Erasmoneura nigra @ III (2)

Erythridula rubens @ III (1)
Melanopsichiaceae  Melanopsichium austroamericanum @ BPI (1)

Melanopsichium pennsylvanicum @ BPI (1)
Microbotryaceae  Sphacelotheca hydropiperis @ BPI (1)

Sphacelotheca polygoni-filiformis @ BPI (1)
Pucciniaceae  Puccinia polygoni-amphibii @ 876073B (1); BPI (94)

Puccinia polygoni @ BPI (2)

Puccinia @ BPI (1)
Ustilaginaceae  Ustilago anomala @ BPI (2)

Ustilago austroamericana @ BPI (2)
_  Anthomyiidae @ PN- (1)

Cicadellidae @ PN- (1)

Conopidae @ PN- (1)

Vespidae @ PN- (1)

go to Discover Life's Facebook group

Following modified from Delaware Wildflowers
   Top | See original

Delaware Wildflowers  •  Scientific names

Persicaria virginiana (L.) Gaertner ( Polygonum virginianum ) Virginia Smartweed
Polygonaceae — Smartweed family
Native
Persicaria virginiana
Prices Corner
August 2001 Persicaria virginiana Persicaria virginiana
White Clay Creek State Park -- Creek Road
September 2010 Persicaria virginiana
White Clay Creek State Park -- Possum Hill
July 2011 Persicaria virginiana
Woodlawn Tract
April 2016

Guide to Persicaria of Delaware

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Polygonum virginianum L. - Virginia Knotweed

Polygonum virginianum plant

Family - Polygonaceae

Stems - To +1m tall, non-woody, hairy above, glabrescent below, erect. The pubescence ferruginous.

Leaves - Alternate, petiolate, pubescent on both surfaces or glabrous below, ovate, to +15cm long, +8cm wide. Ocrea fringed with cilia, pubescent.

Polygonum virginianum ocrea Ocrea.

Polygonum virginianum leaf

Inflorescence - Typically a terminal raceme, but some axillary, to 40cm long. Flowers loosely arranged on the inflorescnece.

Polygonum virginianum inflorescence

Flowers - Perianth parts 4, whitish to pinkish, +/-3mm long, acute, glabrous. Stamens typically 4, slightly exserted. Filaments whitish, glabrous, 2mm long. Anthers pale yellow to whitish, -1mm long. Styles 2, persistent in fruit to form a "beak".

Polygonum virginianum flower

Flowering - July - October.

Habitat - Rich, moist woods.

Origin - Native to U.S.

Other info. - This species can be found throughout Missouri. It is easy to identify in the field becasue of its hairy ocrea, big, alternate leaves, and long inflorescences. The plant is very common in shaded, rich areas.
A synonym is Tovara virginiana (L.) Raf.

Photographs taken at the Kansas City Zoo, 7-30-99, and in the Ozark Scenic Riverways, Shannon County, MO., 7-29-04.


Back


Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=POVI2 ---> https://plants.usda.gov/java/profile?symbol=POVI2
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=POVI2

Updated: 2017-11-19 12:59:05 gmt
Discover Life | Top
© Designed by The Polistes Corporation