Lactuca hirsuta

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusLactuca
Species:Lactuca hirsuta Muhl. ex Nutt.
Common NameHairy Lettuce
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: Yes; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Biennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaflet Margins: ciliate; 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 6
StatusNative; TN[SNR] KY[S4?] (State Rank); G5? (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: Barren (KY), Crittenden (KY), Lyon (KY), Trigg (KY), Lewis (TN), Polk (TN), Stewart (TN)

Herbaria represented by specimen data listed below: APSC, EKY, MEM, TENN, UCHT

Range of years during which specimens were collected: 1976 - 1993

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100272028 Barren Kentucky 29 May 1993 Charles J. Lapham
55
EKY
Lactuca hirsuta
APSC0026016 Lyon Kentucky
APSC
Lactuca hirsuta
APSC0026004 Trigg Kentucky
APSC
Lactuca hirsuta
APSC0054442 Lewis Tennessee
APSC
Lactuca hirsuta
APSC0040944 Polk Tennessee
APSC
Lactuca hirsuta
APSC0026014 Stewart Tennessee 16 Jun 1988
APSC
Lactuca hirsuta
UCHT039815 Polk Tennessee
UCHT
Lactuca hirsuta
UCHT039816 Polk Tennessee
UCHT
Lactuca hirsuta
MEM011684 Crittenden Kentucky 03 Aug 1976 Raymond Athey
3529
MEM
Lactuca hirsuta
TENN-V-0239216 Polk Tennessee
TENN
Lactuca hirsuta
APSC0026039 Polk Tennessee
APSC
Lactuca hirsuta
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Plant Photos

Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Dwayne Estes
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw
Lactuca hirsuta - Joey Shaw