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Polygonum glabrum Willd.
denseflower knotweed

       
Symbol:    
Group:    
Family:    
Duration:    
Growth Habit:    
Native Status:  
  
  



Click on the image below to enlarge it and download a high-resolution JPEG file.
Photo of Polygonum glabrum Willd.
Polygonum densiflorum

Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute. Usage Requirements.
 
More Information:
 

Images:
Polygonum glabrum Willd.

Click on a thumbnail to view an image, or see all the Polygonum thumbnails at the PLANTS Gallery
View a larger version of this image and Profile page for Polygonum glabrum Willd. View a larger version of this image and Profile page for Polygonum glabrum Willd.
 

Synonyms:
Polygonum glabrum Willd.

  PEDE15 Persicaria densiflora (Meisn.) Moldenke  
  PEGL23 Persicaria glabra (Willd.) G. Maza  
  PEPO8 Persicaria portoricensis (Bertero ex Small) Small  
  PODE2 Polygonum densiflorum Meisn.   denseflower knotweed
  POPO16 Polygonum portoricense Bertero ex Small  
 

Distribution:
Polygonum glabrum Willd.

View Native Status
Distribution Map Legend

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AL, AR, DE, FL, GA, KS, KY, LA, MD, MO, MS, NC, NJ, PA, SC, TN, TX, VA), USA+ (PR)
 

Related Taxa:
Polygonum glabrum Willd.

View 33 genera in Polygonaceae, 80 species in Polygonum
 

Classification:
Polygonum glabrum Willd.

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Caryophyllidae
Order Polygonales
Family Polygonaceae – Buckwheat family
Genus Polygonum L. – knotweed
Species Polygonum glabrum Willd. – denseflower knotweed
 

Threatened and Endangered Information:
Polygonum glabrum Willd.

The synonym italicized and indented below is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.

Maryland:
Polygonum densiflorum
dense-flowered knotweed              Endangered
New Jersey:
Polygonum densiflorum
dense-flower knotweed              Endangered
 

Wetland Indicator Status:

NOTE: On June 1, 2012, the 2012 National Wetland Plant List superseded the information below (see Federal Register, May 9, 2012, 77(90): 27210-27214[https://federalregister.gov/a/2012-11176]). For updated wetland information about this species, see the latest wetland list.

Polygonum glabrum Willd.

Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
OBL NO NO NO NO NO NO NO NO NO NO NO NO OBL

Polygonum densiflorum:

Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
OBL OBL OBL OBL NO NI OBL NO NO NO NO NO NI* NO
Interpreting Wetland Indicator Status
 

More Accounts and Images:
Polygonum glabrum Willd.

View species account and distribution map from Flora of North America (FNA).

View species account from ARS Germplasm Resources Information Network (GRIN).

View species account from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).

View species account from Native American Ethnobotany (University of Michigan - Dearborn).

 
 
Time Generated: 05/21/2013 04:34 PM CDT