Sonchus oleraceus

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusSonchus
Species:Sonchus oleraceus L.
Common NameSowthistle
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: Yes; Milky Sap: Yes; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LGS; Duration: Annual; Duration: Biennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Region of Origin: Europe; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; 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: dentate; Leaflet Margins: entire; Leaflet Margins: lobed; 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: corymb/cyme/umbel; 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.

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

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: Calloway (KY), Fayette (KY), Franklin (KY), Jefferson (KY), Kenton (KY), Madison (KY), Martin (KY), Pike (KY), Rowan (KY), Bedford (TN), Campbell (TN), Carter (TN), Davidson (TN), Hamilton (TN), Johnson (TN), Knox (TN), Montgomery (TN), Shelby (TN), Unicoi (TN), Washington (TN)

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

Range of years during which specimens were collected: 1961 - 2017

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
ETSU008146 Carter Tennessee
ETSU
Sonchus oleraceus
TENN-V-0238991 Knox Tennessee
TENN
Sonchus oleraceus
APSC0069814 Jefferson Kentucky
APSC
Sonchus oleraceus
APSC0022792 Campbell Tennessee
APSC
Sonchus oleraceus
31973000005998 Calloway Kentucky 05 Jun 1979 Thieret, John
50950		 KNK
Sonchus oleraceus
TENN-V-0238988 Davidson Tennessee
TENN
Sonchus oleraceus
TENN-V-0238989 Hamilton Tennessee
TENN
Sonchus oleraceus
TENN-V-0238992 Knox Tennessee
TENN
Sonchus oleraceus
APSC0112977 Martin Kentucky
APSC
Sonchus oleraceus
APSC0022795 Montgomery Tennessee
APSC
Sonchus oleraceus
APSC0107670 Franklin Kentucky
APSC
Sonchus oleraceus
UCHT039807 Hamilton Tennessee
UCHT
Sonchus oleraceus
UCHT041430 Hamilton Tennessee
UCHT
Sonchus oleraceus
UCHT041431 Hamilton Tennessee
UCHT
Sonchus oleraceus
UCHT041428 Hamilton Tennessee
UCHT
Sonchus oleraceus
31234100297652 Franklin Kentucky 03 Jul 1978 John MacGregor
FR-157		 EKY
Sonchus oleraceus
TENN-V-0238987 Davidson Tennessee
TENN
Sonchus oleraceus
TENN-V-0238986 Bedford Tennessee
TENN
Sonchus oleraceus
APSC0022794 Montgomery Tennessee
APSC
Sonchus oleraceus
N/A Rowan Kentucky 07 Jun 2000 Kim Feeman
1140		 EKY
Sonchus oleraceus
31234100297660 Jefferson Kentucky 21 Jun 2005 Patricia D. Haragan
2580		 EKY
Sonchus oleraceus
TENN-V-0238990 Knox Tennessee
TENN
Sonchus oleraceus
ETSU013221 Unicoi Tennessee
ETSU
Sonchus oleraceus
31234100297678 Madison Kentucky 22 Aug 1977 J. Stuart Lassetter
2688		 EKY
Sonchus oleraceus
HTTU004019 Tennessee
HTTU
Sonchus oleraceus
UCHT029881 Hamilton Tennessee
UCHT
Sonchus oleraceus
ETSU013222 Johnson Tennessee
14542		 ETSU
Sonchus oleraceus
31234100297645 Fayette Kentucky 23 Oct 1961 Elizabeth M. Browne
4990		 EKY
Sonchus oleraceus
31973000005999 Calloway Kentucky 05 Jun 1979 Thieret, John
50950		 KNK
Sonchus oleraceus
TENN-V-0238993 Knox Tennessee
TENN
Sonchus oleraceus
TENN-V-0238995 Shelby Tennessee
TENN
Sonchus oleraceus
APSC0022793 Campbell Tennessee
APSC
Sonchus oleraceus
APSC0022765 Davidson Tennessee
APSC
Sonchus oleraceus
APSC0112978 Pike Kentucky
APSC
Sonchus oleraceus
APSC0112979 Jefferson Kentucky
APSC
Sonchus oleraceus
ETSU009800 Washington Tennessee 26 Apr 2017 Frosty Levy
 ETSU
Sonchus oleraceus
31973000005994 Kenton Kentucky 15 Jul 1978 Applegarth, Patrick
406		 KNK
Sonchus oleraceus
TENN-V-0238994 Montgomery Tennessee
TENN
Sonchus oleraceus
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