Lactuca saligna

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusLactuca
Species:Lactuca saligna L.
Common NameWillowleaf Lettuce
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: Yes; Milky Sap: Yes; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: DRU; Natural Area Presence: FCFSP; Natural Area Presence: GILES; Natural Area Presence: GRSM; Natural Area Presence: LC; Natural Area Presence: NRG; Natural Area Presence: TRG; Natural Area Presence: WOLF; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: Asia; Region of Origin: Europe; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Yellow; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Cypsela; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: head; Ovary Position: Inferior; Overall Flower Symmetry: Zygomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Number: N/A
C value N/A
StatusNot Native; AGCP (FACU), EMP (UPL) (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

SynonymFull Citation
Lactuca saligna var. runcinata Lactuca saligna var. runcinata Gren. & Godr.

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: Bell (KY), Campbell (KY), Carlisle (KY), Christian (KY), Clinton (KY), Fayette (KY), Franklin (KY), Garrard (KY), Grant (KY), Jefferson (KY), Johnson (KY), Kenton (KY), Lincoln (KY), Lyon (KY), Madison (KY), Meade (KY), Mercer (KY), Monroe (KY), Montgomery (KY), Pike (KY), Trigg (KY), Warren (KY), Campbell (TN), Carter (TN), Davidson (TN), DeKalb (TN), Franklin (TN), Giles (TN), Grundy (TN), Hamilton (TN), Hancock (TN), Hawkins (TN), Houston (TN), Humphreys (TN), Knox (TN), McMinn (TN), Macon (TN), Marion (TN), Marshall (TN), Maury (TN), Meigs (TN), Montgomery (TN), Polk (TN), Putnam (TN), Robertson (TN), Rutherford (TN), Stewart (TN), Sumner (TN), Van Buren (TN)

Herbaria represented by specimen data listed below: ETSU, MEM, SWMT, UOS, APSC, BEREA, EKY, KNK, TENN, UCHT

Range of years during which specimens were collected: 1914 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
SWMT04584 Tennessee GA/M.DeM
SWMT
Lactuca saligna
BEREA007851 Bell Kentucky
BEREA
Lactuca saligna
APSC0091383 Bell Kentucky 22 Sep 1978 Rich Hannan
APSC
Lactuca saligna
APSC0115527 Campbell Kentucky
APSC
Lactuca saligna
MEM012781 Carlisle Kentucky 18 Sep 1977 Raymond Athey
3828
MEM
Lactuca saligna
APSC0058789 Christian Kentucky 20 Sep 1976 Raymond Athey
APSC
Lactuca saligna
APSC0024671 Christian Kentucky 10 Aug 1993 Sallie Noel
APSC
Lactuca saligna
31234100267580 Clinton Kentucky 14 Aug 1999 Mark A. Gorton
99-1161
EKY
Lactuca saligna
31234100267572 Clinton Kentucky 14 Aug 1999 Mark A. Gorton
99-1162
EKY
Lactuca saligna
31234100267598 Clinton Kentucky 14 Aug 1999 Mark A. Gorton
99-1167
EKY
Lactuca saligna
TENN-V-0239427 Franklin Kentucky
TENN
Lactuca saligna
31234100267606 Franklin Kentucky 30 Sep 1961 Dan Pittillo
61
EKY
Lactuca saligna
APSC0115528 Johnson Kentucky
APSC
Lactuca saligna
31973000005780 Kenton Kentucky 11 Aug 1978 Applegarth, Patrick
455
KNK
Lactuca saligna
APSC0024665 Lyon Kentucky
APSC
Lactuca saligna
APSC0024666 Lyon Kentucky 27 Aug 1986 Edward Chester
APSC
Lactuca saligna
APSC0091387 Meade Kentucky
APSC
Lactuca saligna
BEREA007858 Monroe Kentucky
BEREA
Lactuca saligna
APSC0117346 Pike Kentucky
APSC
Lactuca saligna
TENN-V-0239218 Campbell Tennessee
TENN
Lactuca saligna
APSC0024669 Davidson Tennessee
APSC
Lactuca saligna
TENN-V-0239220 Franklin Tennessee
TENN
Lactuca saligna
UOS01056 Franklin Tennessee 31 Jul 2007 Mary P. Priestley
UOS
Lactuca saligna
UOS01054 Franklin Tennessee 18 Aug 2001 Mary P. Priestley
UOS
Lactuca saligna
UCHT039825 Grundy Tennessee
UCHT
Lactuca saligna
ETSU026674 Hawkins Tennessee 01 Sep 2019 Frosty Levy, Elaine Walker
19830
ETSU
Lactuca saligna
N/A Hawkins Tennessee 01 Sep 2019 Frosty Levy, Elaine Walker
ETSU
Lactuca saligna
APSC0024673 Houston Tennessee
APSC
Lactuca saligna
APSC0024676 Houston Tennessee
APSC
Lactuca saligna
TENN-V-0239228 Marion Tennessee
TENN
Lactuca saligna
TENN-V-0239227 Marion Tennessee
TENN
Lactuca saligna
TENN-V-0239224 Marion Tennessee
TENN
Lactuca saligna
TENN-V-0239225 Marion Tennessee
TENN
Lactuca saligna
TENN-V-0239226 Marion Tennessee
TENN
Lactuca saligna
UCHT029907 Marion Tennessee
UCHT
Lactuca saligna
TENN-V-0239232 Meigs Tennessee
TENN
Lactuca saligna
TENN-V-0239235 Putnam Tennessee
TENN
Lactuca saligna
APSC0113133 Putnam Tennessee
APSC
Lactuca saligna
UCHT039818 Putnam Tennessee
UCHT
Lactuca saligna
UCHT039819 Putnam Tennessee
UCHT
Lactuca saligna
APSC0024677 Robertson Tennessee
APSC
Lactuca saligna
TENN-V-0239237 Rutherford Tennessee
TENN
Lactuca saligna
TENN-V-0239238 Rutherford Tennessee
TENN
Lactuca saligna
TENN-V-0239236 Rutherford Tennessee
TENN
Lactuca saligna
TENN-V-0239239 Rutherford Tennessee
TENN
Lactuca saligna
APSC0024667 Stewart Tennessee
APSC
Lactuca saligna
31234100267614 Fayette Kentucky 20 Jul 1914 H. Garman
EKY
Lactuca saligna
BEREA007852 Garrard Kentucky
BEREA
Lactuca saligna
31973000005779 Grant Kentucky 10 Oct 2003 Thieret, John
61656
KNK
Lactuca saligna
APSC0073688 Jefferson Kentucky
APSC
Lactuca saligna
31234100267630 Lincoln Kentucky 10 Sep 2001 Timothy J. Weckman
6819
EKY
Lactuca saligna
31234100267655 Madison Kentucky 26 Aug 1993 Gary W. Libby
570
EKY
Lactuca saligna
31234100272036 Madison Kentucky 06 Sep 1993 Gary W. Libby
OB-57
EKY
Lactuca saligna
BEREA007855 Madison Kentucky
BEREA
Lactuca saligna
BEREA007853 Madison Kentucky
BEREA
Lactuca saligna
BEREA007856 Madison Kentucky
BEREA
Lactuca saligna
31234100267663 Madison Kentucky 05 Oct 1976 George Buckenhofer
EKY
Lactuca saligna
BEREA007857 Madison Kentucky
BEREA
Lactuca saligna
31234100267648 Madison Kentucky 27 Sep 1975 J. Stuart Lassetter
2481
EKY
Lactuca saligna
BEREA007854 Madison Kentucky
BEREA
Lactuca saligna
BEREA007859 Madison Kentucky
BEREA
Lactuca saligna
BEREA025778 Madison Kentucky
BEREA
Lactuca saligna
31234100267671 Mercer Kentucky 03 Aug 1991 David D. Taylor
16105
EKY
Lactuca saligna
31234100267689 Mercer Kentucky 22 Jun 1991 David D. Taylor
15739
EKY
Lactuca saligna
31234100267705 Montgomery Kentucky 03 Sep 1984 Julian Campbell
1252
EKY
Lactuca saligna
31234100267697 Montgomery Kentucky 30 Jul 1984 Julian Campbell
774
EKY
Lactuca saligna
APSC0024668 Trigg Kentucky
APSC
Lactuca saligna
APSC0024664 Trigg Kentucky
APSC
Lactuca saligna
APSC0115672 Warren Kentucky
APSC
Lactuca saligna
APSC0115673 Warren Kentucky
APSC
Lactuca saligna
N/A Carter Tennessee 08 Oct 2015 Frosty Levy
ETSU
Lactuca saligna
ETSU008080 Carter Tennessee
ETSU
Lactuca saligna
TENN-V-0239219 DeKalb Tennessee
TENN
Lactuca saligna
TENN-V-0239221 Giles Tennessee
TENN
Lactuca saligna
UCHT039817 Hamilton Tennessee
UCHT
Lactuca saligna
APSC0024670 Hancock Tennessee
APSC
Lactuca saligna
APSC0024672 Humphreys Tennessee
APSC
Lactuca saligna
TENN-V-0239222 Knox Tennessee
TENN
Lactuca saligna
TENN-V-0239231 McMinn Tennessee
TENN
Lactuca saligna
TENN-V-0239223 Macon Tennessee
TENN
Lactuca saligna
TENN-V-0239230 Marshall Tennessee
TENN
Lactuca saligna
TENN-V-0239229 Marshall Tennessee
TENN
Lactuca saligna
UCHT039824 Maury Tennessee
UCHT
Lactuca saligna
APSC0024680 Montgomery Tennessee
APSC
Lactuca saligna
APSC0024678 Montgomery Tennessee
APSC
Lactuca saligna
APSC0024679 Montgomery Tennessee
APSC
Lactuca saligna
APSC0024675 Montgomery Tennessee
APSC
Lactuca saligna
TENN-V-0239233 Montgomery Tennessee
TENN
Lactuca saligna
APSC0024674 Montgomery Tennessee
APSC
Lactuca saligna
APSC0024681 Polk Tennessee
APSC
Lactuca saligna
TENN-V-0239234 Polk Tennessee
TENN
Lactuca saligna
UCHT029908 Polk Tennessee
UCHT
Lactuca saligna
UCHT036385 Polk Tennessee
UCHT
Lactuca saligna
TENN-V-0239240 Sumner Tennessee
TENN
Lactuca saligna
TENN-V-0239242 Van Buren Tennessee
TENN
Lactuca saligna
TENN-V-0239241 Van Buren Tennessee
TENN
Lactuca saligna
UOS01055 Van Buren Tennessee 17 Jul 2002 Chris A. Fleming
UOS
Lactuca saligna
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Plant Photos

Lactuca saligna - Dwayne Estes
Lactuca saligna - Dwayne Estes
Lactuca saligna - Dwayne Estes
Lactuca saligna - Dwayne Estes