Amaranthus albus

ClassificationDicots
FamilyAmaranthaceae
Family (Traditional)Amaranthaceae
GenusAmaranthus
Species:Amaranthus albus L.
Common NameProstrate Pigweed
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Reproductive Phenology: December; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Dorsifixed; Base Flower Color: Green; Base Flower Color: White; Base Flower Color: Yellow; Carpel Number/Pistil: 3; Fruit Dehiscence: Yes; Fruit Type: Utricle; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: axillary; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Fusion: No; Petal Number: 0; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: No; Sepal Number: 3; Sexuality: monoecious; Sporangium Arrangement: N/A; Stamen Number: 0; Tepal Fusion: No; Tepal Number: 3
C value N/A
StatusNot Native; AGCP (FACU), EMP (FACU) (NWPL); TN[SNR] KY[S4S5] (State Rank); GNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Amaranthus albus var. pubescens Amaranthus albus var. pubescens (Uline & Bray) Fern.
Amaranthus graecizans subsp. sylvestris Amaranthus graecizans subsp. sylvestris (Vill.) Brenan
Amaranthus graecizans var. pubescens Amaranthus graecizans var. pubescens Uline & Bray
Amaranthus pubescens Amaranthus pubescens (Uline & Bray) Rydb.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Campbell (KY), Franklin (KY), Fulton (KY), Gallatin (KY), Greenup (KY), Harrison (KY), Jefferson (KY), Jessamine (KY), Kenton (KY), Lewis (KY), McCracken (KY), Madison (KY), Mason (KY), Mercer (KY), Warren (KY), Woodford (KY), Chester (TN), Davidson (TN), Haywood (TN), Knox (TN), Lake (TN), McNairy (TN), Madison (TN), Montgomery (TN), Rutherford (TN), Shelby (TN), Warren (TN), Williamson (TN)

Herbaria represented by specimen data listed below: APSC, EKY, BEREA, TENN, KNK, VDB

Range of years during which specimens were collected: 1903 - 1993

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
31234100193141 Madison Kentucky 05 Oct 1978 J. Stuart Lassetter
3388		 EKY
Amaranthus albus
31234100193133 Jessamine Kentucky 24 Sep 1961 Elizabeth M. Browne
4805		 EKY
Amaranthus albus
31234100193158 McCracken Kentucky 30 Sep 1982 Raymond Athey
 EKY
Amaranthus albus
31234100193091 Campbell Kentucky 01 Oct 1982 Ronald L. Jones
4016		 EKY
Amaranthus albus
TENN-V-0090434 Williamson Tennessee
TENN
Amaranthus albus
TENN-V-0090425 Davidson Tennessee
TENN
Amaranthus albus
TENN-V-0090433 Shelby Tennessee
TENN
Amaranthus albus
BRIT68430 Lake Tennessee 02 Jun 1970 Ken E. Rogers
45148		 VDB
Amaranthus albus
31234100193166 Mercer Kentucky 03 Aug 1991 David D. Taylor
16043		 EKY
Amaranthus albus
31234100193109 Campbell Kentucky 01 Oct 1982 Ronald L. Jones
4011		 EKY
Amaranthus albus
31234100193117 Kentucky 18 Oct 1903 H. Garman
 EKY
Amaranthus albus
31973000004924 Harrison Kentucky 09 Oct 1993 Thieret, John
53430		 KNK
Amaranthus albus
TENN-V-0090424 Davidson Tennessee
TENN
Amaranthus albus
TENN-V-0090422 Chester Tennessee
TENN
Amaranthus albus
APSC0076166 Greenup Kentucky
APSC
Amaranthus albus
BRIT68428 Shelby Tennessee 28 Aug 1965 Ken E. Rogers
34423		 VDB
Amaranthus albus
BEREA025149 Lewis Kentucky
BEREA
Amaranthus albus
31973000004921 Mason Kentucky 03 Aug 1982 Thieret, John
53695		 KNK
Amaranthus albus
TENN-V-0090426 Haywood Tennessee
TENN
Amaranthus albus
APSC0072411 Greenup Kentucky
APSC
Amaranthus albus
APSC0072583 Jefferson Kentucky 10 Oct 1990 Max Medley
 APSC
Amaranthus albus
31973000004922 Campbell Kentucky 07 Aug 1982 Buddell, George
627		 KNK
Amaranthus albus
TENN-V-0090578 Madison Kentucky
TENN
Amaranthus albus
TENN-V-0090432 Shelby Tennessee
TENN
Amaranthus albus
APSC0069954 Jefferson Kentucky 20 Sep 1985 Max Medley
 APSC
Amaranthus albus
BRIT68431 Davidson Tennessee 07 Sep 1965 R. Kral
26054		 VDB
Amaranthus albus
BEREA001401 Campbell Kentucky
BEREA
Amaranthus albus
TENN-V-0090582 McCracken Kentucky
TENN
Amaranthus albus
TENN-V-0090431 Shelby Tennessee
TENN
Amaranthus albus
APSC0093189 Gallatin Kentucky
APSC
Amaranthus albus
APSC0093188 Jefferson Kentucky 15 Sep 1985 Max Medley
 APSC
Amaranthus albus
APSC0083004 Jefferson Kentucky 29 Jun 1987 Max Medley
 APSC
Amaranthus albus
APSC0072412 Campbell Kentucky
APSC
Amaranthus albus
APSC0072409 Franklin Kentucky
APSC
Amaranthus albus
31973000004914 Campbell Kentucky 14 Oct 1977 Thieret, John
50312		 KNK
Amaranthus albus
TENN-V-0090428 Lake Tennessee
TENN
Amaranthus albus
TENN-V-0090429 Madison Tennessee
TENN
Amaranthus albus
APSC0030574 Warren Tennessee
APSC
Amaranthus albus
APSC0072368 Campbell Kentucky
APSC
Amaranthus albus
BRIT68432 Davidson Tennessee 30 Aug 1973 R. Kral
51490		 VDB
Amaranthus albus
31234100193125 Fulton Kentucky 22 Aug 1964 Elizabeth M. Browne
9377		 EKY
Amaranthus albus
31234100193448 Mercer Kentucky 03 Aug 1991 David D. Taylor
16049		 EKY
Amaranthus albus
31973000004926 Kenton Kentucky 11 Aug 1978 Applegarth, Patrick
461		 KNK
Amaranthus albus
TENN-V-0090581 Jessamine Kentucky
TENN
Amaranthus albus
TENN-V-0090583 McCracken Kentucky
TENN
Amaranthus albus
APSC0042672 Montgomery Tennessee 02 Nov 1951 Alfred Clebsch
 APSC
Amaranthus albus
APSC0072577 Warren Kentucky
APSC
Amaranthus albus
APSC0093187 Jefferson Kentucky 16 Jul 1986 Max Medley
 APSC
Amaranthus albus
BRIT68429 Rutherford Tennessee 24 Sep 1979 R. Kral
64385		 VDB
Amaranthus albus
31234100193174 Woodford Kentucky 12 Aug 1955 Mary E. Wharton
9345		 EKY
Amaranthus albus
TENN-V-0090427 Knox Tennessee
TENN
Amaranthus albus
TENN-V-0090423 Chester Tennessee
TENN
Amaranthus albus
TENN-V-0090430 McNairy Tennessee
TENN
Amaranthus albus
APSC0072410 Campbell Kentucky
APSC
Amaranthus albus
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