Orbexilum pedunculatum

ClassificationDicots
FamilyFabaceae
Family (Traditional)Fabaceae
GenusOrbexilum
SpeciesOrbexilum pedunculatum (Mill.) Rydb.
Common NameSampson's snakeroot
Growth Habitforb
Plant NotesHabit: forb; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Alternate; Simple/Compound: Compound; Leaf Complexity: 1 Trifoliolate;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 6.3
C value 6
StatusNative; AGCP (FACU), EMP (FACU) (NWPL); 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: Bath (KY), Breckinridge (KY), Bullitt (KY), Butler (KY), Casey (KY), Christian (KY), Clinton (KY), Crittenden (KY), Estill (KY), Garrard (KY), Grayson (KY), Hardin (KY), Jackson (KY), Jefferson (KY), Laurel (KY), Lewis (KY), Lincoln (KY), Logan (KY), Lyon (KY), McCreary (KY), Madison (KY), Marion (KY), Marshall (KY), Menifee (KY), Montgomery (KY), Ohio (KY), Powell (KY), Rowan (KY), Trigg (KY), Warren (KY), Whitley (KY), Bledsoe (TN), Cheatham (TN), Coffee (TN), Cumberland (TN), Davidson (TN), Decatur (TN), Franklin (TN), Giles (TN), Hamilton (TN), Hardin (TN), Henry (TN), Humphreys (TN), Marion (TN), Meigs (TN), Montgomery (TN), Moore (TN), Polk (TN), Robertson (TN), Scott (TN), Stewart (TN), Van Buren (TN), Warren (TN), White (TN)

Herbaria represented by specimen data listed below: APSC, EKY, HTTU, KNK, MTSU, UCHT, UOS

Range of years during which specimens were collected: 1931 - 2016

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100444122 Hardin Kentucky 09 Jul 1962 E.T. Browne Jr.
5743
EKY
Orbexilum pedunculatum
31234100716859 Butler Kentucky 10 Jul 1980 Richard H. Hannan
4493
EKY
Orbexilum pedunculatum
31234100768488 Powell Kentucky 06 May 1980 Dell Sasser
398
EKY
Orbexilum pedunculatum
31234100726486 Garrard Kentucky 15 Jun 2011 W. W. Overbeck
1306
EKY
Orbexilum pedunculatum
31234100717063 Meigs Tennessee 26 May 1979 H. DeSelm
EKY
Orbexilum pedunculatum
31234100716966 McCreary Kentucky 23 Jul 1980 Rob Jacobs
205805
EKY
Orbexilum pedunculatum
31234100716941 Logan Kentucky 27 May 1976 Raymond Athey
3386
EKY
Orbexilum pedunculatum
31234100716917 Garrard Kentucky 23 Jun 1983 Donna A. Godbey
277
EKY
Orbexilum pedunculatum
31234100716974 McCreary Kentucky 23 Jul 1980 Rob Jacobs
205805
EKY
Orbexilum pedunculatum
31234100716958 Marion Kentucky 18 Jun 1981 Richard H. Hannan
7193
EKY
Orbexilum pedunculatum
31234100716826 Bath Kentucky 03 Jun 1981 Richard H. Hannan
6725
EKY
Orbexilum pedunculatum
31234100444031 Powell Kentucky 19 May 1999 Timothy J. Weckman
4940
EKY
Orbexilum pedunculatum
31234100716909 Garrard Kentucky 29 Jul 1983 Donna A. Godbey
397
EKY
Orbexilum pedunculatum
31234100444072 Whitley Kentucky 25 Jul 1993 Steve Walker
712
EKY
Orbexilum pedunculatum
31234100716925 Jackson Kentucky 19 Jul 1979 Richard H. Hannan
3212
EKY
Orbexilum pedunculatum
31234100716867 Casey Kentucky 16 Jun 1981 Richard H. Hannan
7089
EKY
Orbexilum pedunculatum
31234100726478 Garrard Kentucky 15 Jun 2011 W. W. Overbeck
1302
EKY
Orbexilum pedunculatum
31234100746427 Laurel Kentucky 26 Jun 2008 Tara R. Littlefield
2008-008
EKY
Orbexilum pedunculatum
31234100444007 Jackson Kentucky 14 Jun 1990 Julian Campbell
S.N.
EKY
Orbexilum pedunculatum
31234100716875 Christian Kentucky 03 Jun 1980 Richard H. Hannan
3804
EKY
Orbexilum pedunculatum
31234100444023 Powell Kentucky 02 Jun 1993 Deborah White
s.n.
EKY
Orbexilum pedunculatum
31234100444015 Marion Kentucky 29 Jun 2000 Timothy J. Weckman
5853
EKY
Orbexilum pedunculatum
31234100716842 Breckinridge Kentucky 19 Jun 1980 Richard H. Hannan
4298
EKY
Orbexilum pedunculatum
31234100716834 Bath Kentucky 26 Jun 1984 Julian Campbell
413
EKY
Orbexilum pedunculatum
N/A Montgomery Kentucky 26 Aug 1984 Julian Campbell
1084
EKY
Orbexilum pedunculatum
31234100716883 Estill Kentucky 09 Jun 1981 Richard H. Hannan
6889
EKY
Orbexilum pedunculatum
31234100444056 Rowan Kentucky 24 May 2000 Kim Feeman
1082
EKY
Orbexilum pedunculatum
31234100444049 Powell Kentucky 23 May 2001 Timothy J. Weckman
6317
EKY
Orbexilum pedunculatum
31234100716800 Clinton Kentucky 05 Jul 2000 Mark A. Gorton
461
EKY
Orbexilum pedunculatum
31234100717030 Bledsoe Tennessee 11 Jun 1990 V. E. McNeilus
90-342
EKY
Orbexilum pedunculatum
31234100717014 Warren Kentucky 04 Jun 1971 Kenneth A. Nicely
3246
EKY
Orbexilum pedunculatum
31234100717006 Warren Kentucky 16 Jun 1980 George P. Johnson
1285
EKY
Orbexilum pedunculatum
31234100717048 Decatur Tennessee 12 May 1979 J. DeSelm
EKY
Orbexilum pedunculatum
31234100444114 Cumberland Tennessee 05 Jun 1975 Ronald L. Jones
456
EKY
Orbexilum pedunculatum
31973000013114 Lewis Kentucky
KNK
Orbexilum pedunculatum
UCHT016858 Scott Tennessee
UCHT
Orbexilum pedunculatum
UCHT016859 Hamilton Tennessee
UCHT
Orbexilum pedunculatum
UCHT016857 Marion Tennessee
UCHT
Orbexilum pedunculatum
UCHT016834 Tennessee
UCHT
Orbexilum pedunculatum
UCHT016853 Polk Tennessee
UCHT
Orbexilum pedunculatum
31234100443991 Garrard Kentucky 01 Jun 2010 W. W. Overbeck
481
EKY
Orbexilum pedunculatum
31234100444106 Cheatham Tennessee 15 May 1976 Ronald L. Jones
1452
EKY
Orbexilum pedunculatum
31234100717055 Hardin Tennessee 04 Jun 1980 Ronald L. Jones
2600
EKY
Orbexilum pedunculatum
31234100443983 Breckinridge Kentucky 17 Jun 1931 R. A. Sparks
EKY
Orbexilum pedunculatum
31234100716933 Lincoln Kentucky 13 Jun 1988 Bruce Hoagland
172
EKY
Orbexilum pedunculatum
31234100444064 Whitley Kentucky 10 May 1993 Steve Walker
632
EKY
Orbexilum pedunculatum
31234100716891 Estill Kentucky 10 Jun 1981 Richard H. Hannan
7003
EKY
Orbexilum pedunculatum
31973000013112 Lincoln Kentucky
KNK
Orbexilum pedunculatum
31973000013113 Davidson Tennessee
KNK
Orbexilum pedunculatum
APSC0055463 Cumberland Tennessee 01 Jun 2015 Devin Rodgers, Mason Brock
723
APSC
Orbexilum pedunculatum
APSC0099575 Moore Tennessee
APSC
Orbexilum pedunculatum
APSC0086685 Hardin Kentucky
APSC
Orbexilum pedunculatum
APSC0099929 Coffee Tennessee
APSC
Orbexilum pedunculatum
APSC0101157 Marion Kentucky
APSC
Orbexilum pedunculatum
APSC0088526 Bath Kentucky
APSC
Orbexilum pedunculatum
APSC0040832 White Tennessee 15 May 2015 Mason Brock
949
APSC
Orbexilum pedunculatum
APSC0097204 Warren Kentucky
APSC
Orbexilum pedunculatum
APSC0106301 Jefferson Kentucky
APSC
Orbexilum pedunculatum
APSC0080056 Lincoln Kentucky
APSC
Orbexilum pedunculatum
APSC0097201 Warren Kentucky 12 Jun 1976
APSC
Orbexilum pedunculatum
APSC0106299 Powell Kentucky
APSC
Orbexilum pedunculatum
APSC0086688 Laurel Kentucky 18 Jun 1978
APSC
Orbexilum pedunculatum
APSC0055081 Marshall Kentucky
APSC
Orbexilum pedunculatum
APSC0096569 McCreary Kentucky 16 May 1980 Max Medley
APSC
Orbexilum pedunculatum
APSC0097200 Warren Kentucky 25 May 1990 Kenneth Nicely
APSC
Orbexilum pedunculatum
APSC0017070 Giles Tennessee 06 Jun 2000 Dwayne Estes
590
APSC
Orbexilum pedunculatum
APSC0086689 Hardin Kentucky
APSC
Orbexilum pedunculatum
APSC0098126 Warren Tennessee
APSC
Orbexilum pedunculatum
APSC0078529 Jefferson Kentucky
APSC
Orbexilum pedunculatum
APSC0017072 Hardin Kentucky 01 Jun 2006 Dwayne Estes
APSC
Orbexilum pedunculatum
APSC0017053 Trigg Kentucky
APSC
Orbexilum pedunculatum
APSC0097192 Warren Kentucky 20 Jun 1968 Kenneth Nicely
APSC
Orbexilum pedunculatum
APSC0017071 White Tennessee 21 Jul 2006 Dwayne Estes
9133
APSC
Orbexilum pedunculatum
APSC0017061 Montgomery Tennessee 22 May 1948 Alfred Clebsch
66
APSC
Orbexilum pedunculatum
APSC0017060 Montgomery Tennessee 14 May 1967 Wayne Chester
1610
APSC
Orbexilum pedunculatum
APSC0082778 Coffee Tennessee 29 May 1985 M. Medley, D. Horn
13026-85
APSC
Orbexilum pedunculatum
APSC0106300 Bullitt Kentucky
APSC
Orbexilum pedunculatum
APSC0049935 Madison Kentucky 25 May 1938 Mary Wharton
APSC
Orbexilum pedunculatum
APSC0017058 Stewart Tennessee 14 May 1977 E. Douglas Van Hooser
10
APSC
Orbexilum pedunculatum
APSC0097195 Ohio Kentucky 17 Jun 1969 Jim Conrad
APSC
Orbexilum pedunculatum
APSC0083575 Warren Tennessee 29 May 1985 M. Medley
13208-85
APSC
Orbexilum pedunculatum
APSC0017065 Montgomery Tennessee 03 Jun 1982 Edward W. Chester
82-355
APSC
Orbexilum pedunculatum
APSC0097202 Warren Kentucky 19 Jun 1990
APSC
Orbexilum pedunculatum
APSC0094034 Jefferson Kentucky
APSC
Orbexilum pedunculatum
APSC0069773 Hardin Kentucky
APSC
Orbexilum pedunculatum
APSC0080413 Lewis Kentucky
APSC
Orbexilum pedunculatum
APSC0017068 Humphreys Tennessee 30 May 2003 Stephanie M. Gunn
SG-781
APSC
Orbexilum pedunculatum
APSC0070961 Menifee Kentucky
APSC
Orbexilum pedunculatum
APSC0017069 Van Buren Tennessee 18 Jul 2004 Dwayne Estes and Wes Knapp
6321
APSC
Orbexilum pedunculatum
APSC0017056 Stewart Tennessee 25 Apr 1967 Haskell C. Phillips
2712
APSC
Orbexilum pedunculatum
APSC0109178 Whitley Kentucky
APSC
Orbexilum pedunculatum
APSC0086487 McCreary Kentucky 18 Jun 1984 Max Medley
APSC
Orbexilum pedunculatum
APSC0017067 Henry Tennessee 16 May 1990 Edward W. Chester, Susan Holt
90-117
APSC
Orbexilum pedunculatum
APSC0067931 Montgomery Tennessee 21 Jun 1989 R. Kral with J. Raveill
76646
APSC
Orbexilum pedunculatum
APSC0069784 McCreary Kentucky 17 May 1986 Max Medley
APSC
Orbexilum pedunculatum
APSC0087108 McCreary Kentucky 18 Jun 1984 Max Medley
APSC
Orbexilum pedunculatum
APSC0101158 McCreary Kentucky 09 Jul 1978 Max Medley
APSC
Orbexilum pedunculatum
APSC0086687 Laurel Kentucky 18 Jun 1978
APSC
Orbexilum pedunculatum
APSC0097194 Marshall Kentucky
APSC
Orbexilum pedunculatum
APSC0041404 Warren Kentucky 16 Jun 2015 Mason Brock
APSC
Orbexilum pedunculatum
APSC0017059 Montgomery Tennessee 11 Jun 1950 Alfred Clebsch
Not shown
APSC
Orbexilum pedunculatum
APSC0017066 Robertson Tennessee 08 Jun 1984 Kevin Souza, Edward W. Chester
84-195
APSC
Orbexilum pedunculatum
APSC0105221 Montgomery Kentucky
APSC
Orbexilum pedunculatum
APSC0118555 McCreary Kentucky
APSC
Orbexilum pedunculatum
APSC0086690 Hardin Kentucky
APSC
Orbexilum pedunculatum
APSC0082780 Coffee Tennessee 29 May 1985 M. Medley
13024-85
APSC
Orbexilum pedunculatum
APSC0017057 Lyon Kentucky
APSC
Orbexilum pedunculatum
APSC0017101 Cheatham Tennessee 27 May 2011 Clea Klagstad
551
APSC
Orbexilum pedunculatum
APSC0048961 Grayson Kentucky
APSC
Orbexilum pedunculatum
APSC0106298 Powell Kentucky
APSC
Orbexilum pedunculatum
APSC0070061 Warren Kentucky 22 May 1988 Max Medley
APSC
Orbexilum pedunculatum
APSC0017055 Stewart Tennessee 11 Jun 1965 William H. Ellis
81
APSC
Orbexilum pedunculatum
APSC0017064 Montgomery Tennessee 20 May 1981 Edward W. Chester
81-208
APSC
Orbexilum pedunculatum
APSC0086686 Hardin Kentucky
APSC
Orbexilum pedunculatum
APSC0017063 Van Buren Tennessee 06 Jun 1967 Rhonda Riggins
101
APSC
Orbexilum pedunculatum
APSC0032057 Polk Tennessee 16 May 2012 Aaron Floden, Rob Shepard
2012-71
APSC
Orbexilum pedunculatum
APSC0024473 Marion Tennessee 05 May 2011 E. Blyveis
630
APSC
Orbexilum pedunculatum
APSC0118636 Crittenden Kentucky
APSC
Orbexilum pedunculatum
HTTU004591 Scott Tennessee
HTTU
Orbexilum pedunculatum
HTTU034771 Scott Tennessee
HTTU
Orbexilum pedunculatum
HTTU004589 Scott Tennessee
HTTU
Orbexilum pedunculatum
HTTU027844 Cumberland Tennessee
HTTU
Orbexilum pedunculatum
HTTU004588 Scott Tennessee
HTTU
Orbexilum pedunculatum
HTTU032962 Scott Tennessee
HTTU
Orbexilum pedunculatum
HTTU014960 Cumberland Tennessee
HTTU
Orbexilum pedunculatum
APSC0063141 Montgomery Tennessee 28 May 2016 Mason Brock
1362
APSC
Orbexilum pedunculatum
HTTU027848 Cumberland Tennessee
HTTU
Orbexilum pedunculatum
HTTU034866 Scott Tennessee
HTTU
Orbexilum pedunculatum
MTSU006310 Coffee Tennessee 21 May 1996 Landon E. McKinney
MTSU
Orbexilum pedunculatum
UCHT038975 Hamilton Tennessee
UCHT
Orbexilum pedunculatum
UOS02866 Coffee Tennessee 04 Jun 1996 Douglas E. Kennemore, Jr.
UOS
Orbexilum pedunculatum
UOS02857 Franklin Tennessee 25 May 2010 Mary P Priestley
UOS
Orbexilum pedunculatum
UOS02858 Franklin Tennessee 23 May 2001 Mary P. Priestley
UOS
Orbexilum pedunculatum
UOS02864 Coffee Tennessee 21 May 1996 Landon E. Mckinney
UOS
Orbexilum pedunculatum
UOS02863 Van Buren Tennessee 01-Jun-01 Chris A. Fleming
UOS
Orbexilum pedunculatum
UOS02861 Franklin Tennessee 27 May 1968 Elmore
UOS
Orbexilum pedunculatum
UOS02862 Franklin Tennessee 22 May 1986 R.K. Clements
UOS
Orbexilum pedunculatum
UOS02859 Franklin Tennessee 30 May 1998 Mary P. Priestley
UOS
Orbexilum pedunculatum
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Plant Photos

Orbexilum pedunculatum - Ashley B. Morris
Orbexilum pedunculatum - Ashley B. Morris
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Dwayne Estes
Orbexilum pedunculatum - Joey Shaw
Orbexilum pedunculatum - Joey Shaw
Orbexilum pedunculatum - Joey Shaw
Orbexilum pedunculatum - Joey Shaw
Orbexilum pedunculatum - Milo Pyne
Orbexilum pedunculatum - Milo Pyne
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Shawn Krosnick
Orbexilum pedunculatum - Tara Littlefield
Orbexilum pedunculatum - Tara Littlefield
Orbexilum pedunculatum - Theo Witsell
Orbexilum pedunculatum - Theo Witsell
Orbexilum pedunculatum - Theo Witsell
Orbexilum pedunculatum - Theo Witsell