Desmodium canadense

Family (Traditional)Fabaceae
Species:Desmodium canadense (L.) DC.
Common NameBeggars Lice; Canada Tickclover; Showy Ticktrefoil
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Leaf Arrangement: alternate; Leaf Complexity: compound; Leaf Dissection: 1; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: ternate; Leaflet Margins: entire; Leaflet Number: 3; Base Flower Color: Pink; Base Flower Color: Purple; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Schizocarp; Fruit Wet/Dry: Dry; Hypanthium Present: Yes; Ovary Position: Superior; Overall Flower Symmetry: Zygomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Parietal; Sepal Number: 5; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 10
C value 4
StatusNative; AGCP (FAC), EMP (FAC) (NWPL); G5 (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
  • 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


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), Franklin (KY), Johnson (KY), Madison (KY), Menifee (KY), Owen (KY), DeKalb (TN), Hamilton (TN), Obion (TN)

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

Range of years during which specimens were collected: 1978 - 1996

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100424462 Barren Kentucky 02 Sep 1993 Charles J. Lapham
Desmodium canadense
UCHT017176 Hamilton Tennessee
Desmodium canadense
APSC0099202 Menifee Kentucky
Desmodium canadense
MTSU006056 DeKalb Tennessee 31 Aug 1996 Landon E. McKinney
Desmodium canadense
31234100426764 Franklin Kentucky Donald K. Walker
Desmodium canadense
BEREA013408 Madison Kentucky
Desmodium canadense
APSC0099198 Owen Kentucky
Desmodium canadense
APSC0099200 Menifee Kentucky
Desmodium canadense
SWMT01321 Tennessee 23 Aug 1982 Rick Sullivan
Desmodium canadense
ETSU016815 Johnson Kentucky
Desmodium canadense
MEM015474 Obion Tennessee 08 Oct 1978 Fred Deneke
Desmodium canadense
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