Index / Search / Orbexilum pedunculatum
§1 Plant
Orbexilum pedunculatum (Mill.) Rydb.
vernacular Sampson's snakeroot — species · Fabaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Fabaceae Lindl.
- Genus
- Orbexilum
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 525 counties across 19 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 525 counties across 19 states/territories.
Alabama view state ↗ 13 N ▾
Arkansas view state ↗ 46 N ▾
- Arkansas 05001
- Ashley 05003
- Baxter 05005
- Benton 05007
- Carroll 05015
- Chicot 05017
- Clark 05019
- Clay 05021
- Cleburne 05023
- Conway 05029
- Craighead 05031
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Garland 05051
- Grant 05053
- Greene 05055
- Hempstead 05057
- Hot Spring 05059
- Izard 05065
- Jefferson 05069
- Lee 05077
- Logan 05083
- Lonoke 05085
- Madison 05087
- Marion 05089
- Miller 05091
- Montgomery 05097
- Newton 05101
- Perry 05105
- Pike 05109
- Poinsett 05111
- Polk 05113
- Pope 05115
- Prairie 05117
- Pulaski 05119
- Randolph 05121
- Saline 05125
- Scott 05127
- Sebastian 05131
- Sharp 05135
- St. Francis 05123
- Stone 05137
- Van Buren 05141
- Washington 05143
- Yell 05149
Florida view state ↗ 8 N ▾
Georgia view state ↗ 39 N ▾
- Bartow 13015
- Brooks 13027
- Bulloch 13031
- Candler 13043
- Catoosa 13047
- Charlton 13049
- Chatham 13051
- Chattooga 13055
- Cherokee 13057
- Colquitt 13071
- Dade 13083
- Dougherty 13095
- Elbert 13105
- Floyd 13115
- Fulton 13121
- Grady 13131
- Greene 13133
- Gwinnett 13135
- Heard 13149
- Irwin 13155
- Jackson 13157
- Jefferson 13163
- Jenkins 13165
- Jones 13169
- Lee 13177
- Lincoln 13181
- Lowndes 13185
- Meriwether 13199
- Morgan 13211
- Murray 13213
- Oconee 13219
- Pike 13231
- Screven 13251
- Spalding 13255
- Sumter 13261
- Tift 13277
- Upson 13293
- Walker 13295
- Wayne 13305
Illinois view state ↗ 32 N ▾
- Alexander 17003
- Clark 17023
- Clay 17025
- Crawford 17033
- Cumberland 17035
- Effingham 17049
- Fayette 17051
- Gallatin 17059
- Hamilton 17065
- Hardin 17069
- Jackson 17077
- Jefferson 17081
- Johnson 17087
- Knox 17095
- Lawrence 17101
- Marion 17121
- Massac 17127
- Monroe 17133
- Perry 17145
- Pope 17151
- Pulaski 17153
- Randolph 17157
- Richland 17159
- Saline 17165
- Scott 17171
- St. Clair 17163
- Union 17181
- Wabash 17185
- Washington 17189
- Wayne 17191
- White 17193
- Williamson 17199
Indiana view state ↗ 21 N ▾
Kansas view state ↗ 6 N ▾
Kentucky view state ↗ 46 N ▾
- Bath 21011
- Breckinridge 21027
- Bullitt 21029
- Butler 21031
- Calloway 21035
- Casey 21045
- Christian 21047
- Clark 21049
- Clay 21051
- Crittenden 21055
- Edmonson 21061
- Estill 21065
- Floyd 21071
- Garrard 21079
- Grayson 21085
- Hardin 21093
- Harrison 21097
- Henry 21103
- Jackson 21109
- Knox 21121
- Larue 21123
- Laurel 21125
- Lewis 21135
- Lincoln 21137
- Logan 21141
- Lyon 21143
- Madison 21151
- Marion 21155
- Marshall 21157
- McCracken 21145
- McCreary 21147
- Meade 21163
- Metcalfe 21169
- Montgomery 21173
- Nelson 21179
- Perry 21193
- Powell 21197
- Pulaski 21199
- Robertson 21201
- Rockcastle 21203
- Rowan 21205
- Scott 21209
- Trigg 21221
- Union 21225
- Warren 21227
- Whitley 21235
Louisiana view state ↗ 26 N ▾
- Acadia 22001
- Allen 22003
- Beauregard 22011
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- East Baton Rouge 22033
- East Feliciana 22037
- Evangeline 22039
- Grant 22043
- Jefferson Davis 22053
- Lafayette 22055
- LaSalle 22059
- Lincoln 22061
- Morehouse 22067
- Natchitoches 22069
- Ouachita 22073
- Rapides 22079
- Richland 22083
- Sabine 22085
- St. Helena 22091
- St. Tammany 22103
- Tangipahoa 22105
- Vernon 22115
- Washington 22117
- Winn 22127
Michigan view state ↗ 1 N ▾
Mississippi view state ↗ 34 N ▾
- Alcorn 28003
- Attala 28007
- Benton 28009
- Calhoun 28013
- Chickasaw 28017
- Choctaw 28019
- Covington 28031
- Forrest 28035
- Hinds 28049
- Itawamba 28057
- Jasper 28061
- Jones 28067
- Lafayette 28071
- Lamar 28073
- Lauderdale 28075
- Lawrence 28077
- Lee 28081
- Lowndes 28087
- Madison 28089
- Marion 28091
- Marshall 28093
- Newton 28101
- Noxubee 28103
- Pearl River 28109
- Perry 28111
- Pike 28113
- Pontotoc 28115
- Smith 28129
- Tippah 28139
- Tishomingo 28141
- Union 28145
- Washington 28151
- Wayne 28153
- Winston 28159
Missouri view state ↗ 64 N ▾
- Barton 29011
- Bates 29013
- Benton 29015
- Bollinger 29017
- Callaway 29027
- Camden 29029
- Cape Girardeau 29031
- Carroll 29033
- Carter 29035
- Cedar 29039
- Christian 29043
- Clay 29047
- Cole 29051
- Crawford 29055
- Dallas 29059
- Dent 29065
- Douglas 29067
- Dunklin 29069
- Franklin 29071
- Gasconade 29073
- Greene 29077
- Hickory 29085
- Howell 29091
- Iron 29093
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Laclede 29105
- Lawrence 29109
- Maries 29125
- Marion 29127
- McDonald 29119
- Moniteau 29135
- Monroe 29137
- Montgomery 29139
- Morgan 29141
- Newton 29145
- Oregon 29149
- Osage 29151
- Ozark 29153
- Perry 29157
- Phelps 29161
- Polk 29167
- Pulaski 29169
- Randolph 29175
- Reynolds 29179
- Ripley 29181
- Scott 29201
- Shannon 29203
- St. Charles 29183
- St. Clair 29185
- St. Francois 29187
- St. Louis 29189
- Ste. Genevieve 29186
- Stoddard 29207
- Stone 29209
- Taney 29213
- Texas 29215
- Vernon 29217
- Warren 29219
- Washington 29221
- Wayne 29223
- Webster 29225
- Wright 29229
North Carolina view state ↗ 54 N ▾
- Beaufort 37013
- Bladen 37017
- Brunswick 37019
- Cabarrus 37025
- Carteret 37031
- Chatham 37037
- Cherokee 37039
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Davidson 37057
- Duplin 37061
- Durham 37063
- Edgecombe 37065
- Franklin 37069
- Gaston 37071
- Granville 37077
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Hoke 37093
- Johnston 37101
- Lee 37105
- Lenoir 37107
- Martin 37117
- Mecklenburg 37119
- Montgomery 37123
- Moore 37125
- Nash 37127
- New Hanover 37129
- Northampton 37131
- Onslow 37133
- Orange 37135
- Pamlico 37137
- Pender 37141
- Pitt 37147
- Polk 37149
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rockingham 37157
- Rowan 37159
- Sampson 37163
- Scotland 37165
- Stanly 37167
- Transylvania 37175
- Tyrrell 37177
- Union 37179
- Vance 37181
- Wake 37183
- Warren 37185
- Washington 37187
- Wayne 37191
- Wilson 37195
Ohio view state ↗ 8 N ▾
Oklahoma view state ↗ 3 N ▾
South Carolina view state ↗ 32 N ▾
- Abbeville 45001
- Allendale 45005
- Anderson 45007
- Bamberg 45009
- Barnwell 45011
- Beaufort 45013
- Berkeley 45015
- Charleston 45019
- Chesterfield 45025
- Clarendon 45027
- Colleton 45029
- Darlington 45031
- Dillon 45033
- Dorchester 45035
- Edgefield 45037
- Fairfield 45039
- Florence 45041
- Georgetown 45043
- Hampton 45049
- Horry 45051
- Kershaw 45055
- Lancaster 45057
- Lee 45061
- Lexington 45063
- Marion 45067
- Marlboro 45069
- Newberry 45071
- Oconee 45073
- Orangeburg 45075
- Richland 45079
- Saluda 45081
- Williamsburg 45089
Tennessee view state ↗ 43 N ▾
- Benton 47005
- Bledsoe 47007
- Blount 47009
- Bradley 47011
- Cannon 47015
- Carroll 47017
- Clay 47027
- Coffee 47031
- Cumberland 47035
- Davidson 47037
- Decatur 47039
- Dickson 47043
- Fayette 47047
- Fentress 47049
- Franklin 47051
- Grundy 47061
- Hamilton 47065
- Hardeman 47069
- Hardin 47071
- Henderson 47077
- Henry 47079
- Jackson 47087
- Knox 47093
- Lewis 47101
- Madison 47113
- Marion 47115
- Marshall 47117
- McNairy 47109
- Meigs 47121
- Montgomery 47125
- Morgan 47129
- Overton 47133
- Perry 47135
- Pickett 47137
- Polk 47139
- Roane 47145
- Robertson 47147
- Scott 47151
- Sequatchie 47153
- Stewart 47161
- Sumner 47165
- Van Buren 47175
- Warren 47177
Texas view state ↗ 21 N ▾
Virginia view state ↗ 28 N ▾
- Amelia 51007
- Appomattox 51011
- Bedford 51019
- Brunswick 51025
- Charles City 51036
- Charlotte 51037
- Chesterfield 51041
- Dinwiddie 51053
- Gloucester 51073
- Greensville 51081
- Halifax 51083
- Hanover 51085
- Henrico 51087
- Isle of Wight 51093
- James City 51095
- Louisa 51109
- Lunenburg 51111
- Mecklenburg 51117
- Northampton 51131
- Nottoway 51135
- Pittsylvania 51143
- Prince Edward 51147
- Prince George 51149
- Rockingham 51165
- Southampton 51175
- Suffolk (city) 51800
- Sussex 51183
- Warren 51187
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ORPE ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/7832161 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z