Iris pseudacorus

ClassificationMonocots
FamilyIridaceae
Family (Traditional)Iridaceae
GenusIris
Species:Iris pseudacorus L.
Common NamePale Yellow Iris; Yellow Flag; Water Flag
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: Asia; Region of Origin: Europe; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: alternate; Leaf Arrangement: equitant; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: sword-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Yellow; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Number: 6; Pistil Number: 1; Sporangium Arrangement: N/A; Stamen Number: 3
C value N/A
StatusNot Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNA] KY[SNA] (State Rank); GNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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

No synonyms exist for this species.

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: Bracken (KY), Calloway (KY), Carter (KY), Casey (KY), Grant (KY), Jefferson (KY), Lawrence (KY), McCracken (KY), Rockcastle (KY), Todd (KY), Woodford (KY), Campbell (TN), Cannon (TN), Carter (TN), Cheatham (TN), Claiborne (TN), DeKalb (TN), Franklin (TN), Greene (TN), Hamilton (TN), Hawkins (TN), Johnson (TN), Monroe (TN), Overton (TN), Putnam (TN), Robertson (TN), Sullivan (TN), Unicoi (TN), Washington (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, ETSU, HTTU, KNK, MDKY, MTSU, TENN, UCHT, UOS

Range of years during which specimens were collected: 1921 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100089182 Lawrence Kentucky 10 May 2003 Romie Hughart
EKY
Iris pseudacorus
31234100089216 Woodford Kentucky 01 Jun 1980 J. Stuart Lassetter
3518
EKY
Iris pseudacorus
31234100195385 Todd Kentucky 08 May 1975 R. L. Jones
403
EKY
Iris pseudacorus
31234100089174 Jefferson Kentucky 24 May 2006 Patricia D. Haragan
844
EKY
Iris pseudacorus
31234100089158 Casey Kentucky 28 Jun 1978 Barbara Jeffries
2g
EKY
Iris pseudacorus
31234100748670 Carter Kentucky 11 May 1998 R.L. Jones
8473
EKY
Iris pseudacorus
N/A Casey Kentucky 05 May 1988 Bruce Hoagland
53
EKY
Iris pseudacorus
31234100089133 Carter Kentucky 23 May 1965 Elizabeth M. Browne
10262
EKY
Iris pseudacorus
31234100089166 Casey Kentucky 29 May 1986 Ronald L. Jones
4640
EKY
Iris pseudacorus
31234100089208 McCracken Kentucky 14 May 1970 Raymond Athey
894
EKY
Iris pseudacorus
31234100089190 Lawrence Kentucky 27 May 2006 Romie Hughart
EKY
Iris pseudacorus
BEREA004656 Casey Kentucky 05 May 1988 Bruce Hoagland (EKY)
53
BEREA
Iris pseudacorus
BEREA004655 Calloway Kentucky 06 May 1999 Ralph L. Thompson
99-147
BEREA
Iris pseudacorus
N/A Carter Tennessee 28 Apr 2012 Frosty Levy
ETSU
Iris pseudacorus
ETSU002489 Unicoi Tennessee
ETSU
Iris pseudacorus
ETSU002484 Sullivan Tennessee
ETSU
Iris pseudacorus
ETSU002488 Washington Tennessee
ETSU
Iris pseudacorus
ETSU002482 Sullivan Tennessee
ETSU
Iris pseudacorus
ETSU002486 Tennessee
ETSU
Iris pseudacorus
ETSU002481 Johnson Tennessee 27 May 2013 Frosty Levy
ETSU
Iris pseudacorus
ETSU002487 Washington Tennessee
ETSU
Iris pseudacorus
ETSU002485 Sullivan Tennessee
ETSU
Iris pseudacorus
ETSU002483 Monroe Tennessee
ETSU
Iris pseudacorus
31973000014266 Grant Kentucky
KNK
Iris pseudacorus
31973000014267 Bracken Kentucky
KNK
Iris pseudacorus
MDKY00005384 McCracken Kentucky
MDKY
Iris pseudacorus
TENN-V-0072135 Sullivan Tennessee
TENN
Iris pseudacorus
TENN-V-0072133 Overton Tennessee
TENN
Iris pseudacorus
TENN-V-0072127 Campbell Tennessee
TENN
Iris pseudacorus
TENN-V-0072136 Unicoi Tennessee
TENN
Iris pseudacorus
TENN-V-0072128 Carter Tennessee
TENN
Iris pseudacorus
TENN-V-0072132 Johnson Tennessee
TENN
Iris pseudacorus
TENN-V-0072129 Cheatham Tennessee
TENN
Iris pseudacorus
TENN-V-0072131 Greene Tennessee
TENN
Iris pseudacorus
TENN-V-0072130 Claiborne Tennessee
TENN
Iris pseudacorus
TENN-V-0072134 Robertson Tennessee
TENN
Iris pseudacorus
UCHT008276 Hamilton Tennessee
UCHT
Iris pseudacorus
APSC0068078 Jefferson Kentucky
APSC
Iris pseudacorus
APSC0068076 Jefferson Kentucky
APSC
Iris pseudacorus
HTTU017615 DeKalb Tennessee
HTTU
Iris pseudacorus
HTTU017613 Putnam Tennessee
HTTU
Iris pseudacorus
HTTU021219 Putnam Tennessee
HTTU
Iris pseudacorus
HTTU029947 Putnam Tennessee
HTTU
Iris pseudacorus
MTSU023888 Cannon Tennessee
MTSU
Iris pseudacorus
UOS07181 Franklin Tennessee 05 Jun 1921 Mary P. Priestley
UOS
Iris pseudacorus
BEREA025294 Rockcastle Kentucky
BEREA
Iris pseudacorus
N/A Hawkins Tennessee 17 May 2019 Frosty Levy, Elaine Walker
ETSU
Iris pseudacorus
ETSU026139 Hawkins Tennessee 17 May 2019 Frosty Levy, Elaine Walker
19303
ETSU
Iris pseudacorus
ETSU031928 Carter Tennessee James T Donaldson
ETSU
Iris pseudacorus
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Plant Photos

Iris pseudacorus - Tara Littlefield
Iris pseudacorus - Tara Littlefield
Iris pseudacorus - Tara Littlefield
Iris pseudacorus - Tara Littlefield
Iris pseudacorus - Tara Littlefield
Iris pseudacorus - Tara Littlefield
Iris pseudacorus - Theo Witsell
Iris pseudacorus - Theo Witsell