Utah Valley University Herbarium

Label

 
Accession # 08833 
Family
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Family
PolygonaceaePolygonaceaePolygonaceae  
Species Polygonum amphibium L.
Common name   water knotweed
Collector(s)
D.M. Barnes   3516  
Coll. Date 12 July 2003 
Geography United States.  Utah.  Utah County
Locality S of north American Fork freeway exit, 700 South in lehi. 
 
Habitat Notes along ditch-bank south of road 
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 40° 23'  1" N, 111° 51'  43" W
Township Range T5S, R1E, Sec. 17 S 1/2  
Datum Not recorded
Uncertainty Not calculated
TRS Notes Latitude and longitude were derived from township and range information and may be
inaccurate by as much as 0.7 miles (or 4.2 miles if the section is not given).

Taxonomy


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Polygonum amphibium L.

Common Name(s): water knotweed, water smartweed.

Taxonomic Hierarchy: (ITIS TSN=20865, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Caryophyllidae
                            Order: Polygonales
                                Family: Polygonaceae
                                    Genus: Polygonum
                                        Species: Polygonum amphibium
                                                                                            

Images

Available images of this specimen (click to view):
specimen image: 08833s3.jpg

Images of other samples of the same species:
specimen image: 07057s1.jpg 
07057
specimen image: 11280s1.jpg 
11280
specimen image: 13381s1.jpg 
13381

Nearby Accessions


Other accessions in the database collected near this one:

Accession Name Dist., dir.
13620 Aster adscendens      "western aster" 1.1 mi. NE
13622 Centaurea solstitialis      "yellow star-thistle" 1.1 mi. SW
15290 Convolvulus arvensis      "field bindweed" 2.1 mi. NW
08835 Glycyrrhiza lepidota      "American licorice" same section
16802 Helianthus nuttallii      "Nuttall's sunflower" 1 mi. W
09845 Helianthus nuttallii      "Nuttall's sunflower" 1 mi. W
00308 Hemerocallis fulva      "orange day-lily" same section
14085 Lactuca serriola      "prickly lettuce" same section
05833 Lobelia erinus      "edging lobelia" 1.9 mi. N
14060 Lythrum salicaria      "purple loosestrife" 2757 ft. N
08834 Saponaria officinalis      "bouncingbet" same section
02839 Sedum debile      "orpine stonecrop" 1.4 mi. NW
02929 Tribulus terrestris      "puncturevine" 1 mi. W
05834 Zinnia elegans      "elegant zinnia" 1.9 mi. N

Locale


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Meadow School (School) Utah County, UT 1707 ft. E 4547  Lehi 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.6 mi. E 4547  Lehi 
Lehi Post Office (Post Office) Utah County, UT 0.7 mi. E 4554  Lehi 
Lehi (Populated Place) Utah County, UT 0.8 mi. NE 4564  Lehi 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.8 mi. NE 4561  Lehi 
Margaret Wines Park (Park) Utah County, UT 1 mi. NE 4574  Lehi 
Lehi School (School) Utah County, UT 1.1 mi. NE 4577  Lehi 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.3 mi. N 4593  Lehi 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.2 mi. NE 4557  Lehi 
New Survey Ditch (Canal) Utah County, UT 1.5 mi. N 4570  Lehi 
Lehi High School (School) Utah County, UT 1.3 mi. E 4554  Lehi 
Sego Lily School (School) Utah County, UT 1.4 mi. NE 4584  Lehi 
Draper Post Office (Post Office) Salt Lake County, UT 1.8 mi. S 4495  Pelican Point 
Lehi Cemetery (Cemetery) Utah County, UT 1.6 mi. NE 4623  Lehi 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.9 mi. N 4652  Lehi 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1.6 mi. NE 4600  Lehi 
Dry Creek (Stream) Utah County, UT 1.9 mi. SW   Lehi 
Spring Creek (Stream) Utah County, UT 2 mi. SE   Lehi 
Lehi Junior High School (School) Utah County, UT 1.9 mi. NE 4669  Lehi 
Mill Pond (Reservoir) Utah County, UT 1.7 mi. E 4524  Lehi 

Links

Taxon Links for species Polygonum amphibium  L.

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:
http://herbarium.UVU.edu/virtual/search.asp?taxon=Polygonum+amphibium

Zooming out might reveal more collections in other states.

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