Orbexilum pedunculatum

Characteristics
Dicots
Orbexilum pedunculatum (Mill.) Rydb.
Sampsons Snakeroot
forb
6
**
Native AGCP (FACU), EMP (FACU) (NWPL) TN[SNR] KY[S4?] (State Rank) G5 (Global Rank)
Armaments
No
Base Flower Color
Purple; White
Duration
Perennial
Fruit Complexity
Simple
Fruit Type
Legume
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Leaf Arrangement
alternate
Leaf Complexity
compound
Leaf Dissection
1
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
petiolate
Leaf Type
broadleaf
Leaf Venation
ternate
Leaflet Margins
entire; ciliate; serrulate
Leaflet Number
3
Moisture Requirements
Xeric; Mesic
Natural Area Presence
PCSF; FCFSP; NCCGSNA; BISO; PK; LULA; LRC; LGS; GILES; GM; GRSM; SGSNA; WOLF; TRG; LC; BE
Ovary Position
Superior
Overall Flower Symmetry
Zygomorphic
Parent Rock
Chert
Perianth Present
Yes
Placentation Type
Parietal
Soil Composition
Mineral
Soil pH
Circumneutral
Unconsolidated Rock
Yes
Woody Herbaceous
Herbaceous
Classification
Fabales
Orbexilum pedunculatum (Mill.) Rydb. - Sampsons Snakeroot
Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display 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.

  • 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
  • Interior River Valleys and Hills
    • Shawnee / Caseyville Hills
  • Mississippi Alluvial Plain
  • Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Range of years during which specimens were collected:

Plant Photos
Orbexilum pedunculatum - 3
Orbexilum pedunculatum - Ashley B. Morris
Orbexilum pedunculatum - 13
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - 13
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - 13
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - 13
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - 2
Orbexilum pedunculatum - Joey Shaw
Orbexilum pedunculatum - 2
Orbexilum pedunculatum - Joey Shaw
Orbexilum pedunculatum - 20
Orbexilum pedunculatum - Milo Pyne
Orbexilum pedunculatum - 22
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - 22
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - 22
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - 22
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - 21
Orbexilum pedunculatum - Tara Littlefield
Orbexilum pedunculatum - 19
Orbexilum pedunculatum - Theo Witsell
Orbexilum pedunculatum - 19
Orbexilum pedunculatum - Theo Witsell