Index / Search / Oxytropis lambertii
§1 Plant
Oxytropis lambertii Pursh
vernacular purple locoweed — species · Fabaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Fabaceae Lindl.
- Genus
- Oxytropis
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 422 counties across 15 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Low
- Fire
- Low
- Salinity
- Low
- Anaerobic
- None
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 90 min.
- Precipitation
- 16–24 in/yr
- pH range
- 6.4–9
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 1.4 ft
- Foliage texture
- Medium
- Foliage colour
- Gray-Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Red
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- Low
- Toxicity
- Severe
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 209,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 422 counties across 15 states/territories.
Arizona view state ↗ 6 N ▾
Colorado view state ↗ 42 N ▾
- Adams 08001
- Alamosa 08003
- Arapahoe 08005
- Baca 08009
- Boulder 08013
- Cheyenne 08017
- Clear Creek 08019
- Conejos 08021
- Custer 08027
- Denver 08031
- Dolores 08033
- Douglas 08035
- El Paso 08041
- Elbert 08039
- Fremont 08043
- Garfield 08045
- Gilpin 08047
- Grand 08049
- Gunnison 08051
- Huerfano 08055
- Jackson 08057
- Jefferson 08059
- Kiowa 08061
- Kit Carson 08063
- Lake 08065
- Larimer 08069
- Las Animas 08071
- Logan 08075
- Mesa 08077
- Mineral 08079
- Park 08093
- Phillips 08095
- Pueblo 08101
- Rio Blanco 08103
- Rio Grande 08105
- Routt 08107
- Saguache 08109
- San Juan 08111
- Sedgwick 08115
- Teller 08119
- Weld 08123
- Yuma 08125
Iowa view state ↗ 13 N ▾
Kansas view state ↗ 54 N ▾
- Barber 20007
- Cheyenne 20023
- Clark 20025
- Clay 20027
- Cloud 20029
- Comanche 20033
- Decatur 20039
- Dickinson 20041
- Edwards 20047
- Ellis 20051
- Ellsworth 20053
- Finney 20055
- Ford 20057
- Geary 20061
- Gove 20063
- Graham 20065
- Grant 20067
- Gray 20069
- Greeley 20071
- Harper 20077
- Harvey 20079
- Jewell 20089
- Kearny 20093
- Kingman 20095
- Kiowa 20097
- Lane 20101
- Lincoln 20105
- Logan 20109
- Marion 20115
- Meade 20119
- Morton 20129
- Ness 20135
- Norton 20137
- Osborne 20141
- Phillips 20147
- Pratt 20151
- Rawlins 20153
- Reno 20155
- Republic 20157
- Riley 20161
- Rooks 20163
- Rush 20165
- Russell 20167
- Saline 20169
- Sedgwick 20173
- Seward 20175
- Sheridan 20179
- Sherman 20181
- Smith 20183
- Sumner 20191
- Thomas 20193
- Trego 20195
- Wallace 20199
- Washington 20201
Minnesota view state ↗ 29 N ▾
- Big Stone 27011
- Blue Earth 27013
- Cass 27021
- Chippewa 27023
- Clay 27027
- Crow Wing 27035
- Douglas 27041
- Grant 27051
- Hennepin 27053
- Jackson 27063
- Lac qui Parle 27073
- Lincoln 27081
- Lyon 27083
- Mahnomen 27087
- Murray 27101
- Nicollet 27103
- Nobles 27105
- Norman 27107
- Otter Tail 27111
- Pipestone 27117
- Polk 27119
- Pope 27121
- Ramsey 27123
- Renville 27129
- Rock 27133
- Stearns 27145
- Stevens 27149
- Traverse 27155
- Yellow Medicine 27173
Missouri view state ↗ 2 N ▾
Montana view state ↗ 23 N ▾
- Big Horn 30003
- Blaine 30005
- Carter 30011
- Custer 30017
- Daniels 30019
- Dawson 30021
- Fallon 30025
- Fergus 30027
- Garfield 30033
- Golden Valley 30037
- McCone 30055
- Petroleum 30069
- Phillips 30071
- Powder River 30075
- Prairie 30079
- Richland 30083
- Roosevelt 30085
- Rosebud 30087
- Sheridan 30091
- Treasure 30103
- Valley 30105
- Wibaux 30109
- Yellowstone 30111
Nebraska view state ↗ 58 N ▾
- Adams 31001
- Banner 31007
- Blaine 31009
- Boone 31011
- Box Butte 31013
- Boyd 31015
- Brown 31017
- Buffalo 31019
- Burt 31021
- Cedar 31027
- Chase 31029
- Cherry 31031
- Cheyenne 31033
- Clay 31035
- Cuming 31039
- Custer 31041
- Dakota 31043
- Dawes 31045
- Dawson 31047
- Deuel 31049
- Dixon 31051
- Dodge 31053
- Douglas 31055
- Franklin 31061
- Frontier 31063
- Furnas 31065
- Garden 31069
- Gosper 31073
- Hall 31079
- Holt 31089
- Howard 31093
- Kearney 31099
- Keith 31101
- Keya Paha 31103
- Kimball 31105
- Knox 31107
- Lincoln 31111
- Madison 31119
- Merrick 31121
- Morrill 31123
- Nance 31125
- Nuckolls 31129
- Perkins 31135
- Pierce 31139
- Platte 31141
- Polk 31143
- Rock 31149
- Scotts Bluff 31157
- Sheridan 31161
- Sherman 31163
- Sioux 31165
- Stanton 31167
- Thayer 31169
- Thomas 31171
- Thurston 31173
- Washington 31177
- Webster 31181
- York 31185
New Mexico view state ↗ 23 N ▾
- Bernalillo 35001
- Catron 35003
- Chaves 35005
- Cibola 35006
- Colfax 35007
- De Baca 35011
- Grant 35017
- Harding 35021
- Lincoln 35027
- Los Alamos 35028
- McKinley 35031
- Mora 35033
- Rio Arriba 35039
- San Juan 35045
- San Miguel 35047
- Sandoval 35043
- Santa Fe 35049
- Sierra 35051
- Socorro 35053
- Taos 35055
- Torrance 35057
- Union 35059
- Valencia 35061
North Dakota view state ↗ 40 N ▾
- Adams 38001
- Barnes 38003
- Benson 38005
- Billings 38007
- Bottineau 38009
- Bowman 38011
- Burke 38013
- Burleigh 38015
- Cass 38017
- Dickey 38021
- Divide 38023
- Dunn 38025
- Emmons 38029
- Golden Valley 38033
- Grand Forks 38035
- Grant 38037
- Hettinger 38041
- Kidder 38043
- LaMoure 38045
- McHenry 38049
- McIntosh 38051
- McKenzie 38053
- McLean 38055
- Mercer 38057
- Morton 38059
- Mountrail 38061
- Oliver 38065
- Pierce 38069
- Ramsey 38071
- Ransom 38073
- Renville 38075
- Richland 38077
- Sargent 38081
- Sioux 38085
- Slope 38087
- Stark 38089
- Stutsman 38093
- Ward 38101
- Wells 38103
- Williams 38105
Oklahoma view state ↗ 30 N ▾
- Beaver 40007
- Blaine 40011
- Caddo 40015
- Cimarron 40025
- Cleveland 40027
- Comanche 40031
- Custer 40039
- Dewey 40043
- Ellis 40045
- Garfield 40047
- Garvin 40049
- Grady 40051
- Harper 40059
- Johnston 40069
- Kingfisher 40073
- Logan 40083
- Love 40085
- Major 40093
- McClain 40087
- Murray 40099
- Noble 40103
- Oklahoma 40109
- Pawnee 40117
- Payne 40119
- Pontotoc 40123
- Pottawatomie 40125
- Roger Mills 40129
- Stephens 40137
- Woods 40151
- Woodward 40153
South Dakota view state ↗ 41 N ▾
- Aurora 46003
- Bennett 46007
- Bon Homme 46009
- Brown 46013
- Brule 46015
- Butte 46019
- Charles Mix 46023
- Clay 46027
- Corson 46031
- Custer 46033
- Davison 46035
- Dewey 46041
- Edmunds 46045
- Fall River 46047
- Faulk 46049
- Grant 46051
- Gregory 46053
- Haakon 46055
- Hanson 46061
- Harding 46063
- Hughes 46065
- Hutchinson 46067
- Hyde 46069
- Jackson 46071
- Jerauld 46073
- Lawrence 46081
- Lincoln 46083
- Lyman 46085
- McCook 46087
- Meade 46093
- Mellette 46095
- Minnehaha 46099
- Pennington 46103
- Stanley 46117
- Todd 46121
- Tripp 46123
- Turner 46125
- Union 46127
- Walworth 46129
- Yankton 46135
- Ziebach 46137
Texas view state ↗ 36 N ▾
- Armstrong 48011
- Briscoe 48045
- Childress 48075
- Collin 48085
- Comanche 48093
- Crosby 48107
- Dallam 48111
- Dallas 48113
- Deaf Smith 48117
- Denton 48121
- Donley 48129
- Ellis 48139
- Floyd 48153
- Garza 48169
- Gillespie 48171
- Gray 48179
- Grayson 48181
- Hall 48191
- Hansford 48195
- Hartley 48205
- Hemphill 48211
- Hutchinson 48233
- Lipscomb 48295
- Lubbock 48303
- Moore 48341
- Motley 48345
- Ochiltree 48357
- Potter 48375
- Randall 48381
- Roberts 48393
- Sherman 48421
- Tarrant 48439
- Travis 48453
- Washington 48477
- Wheeler 48483
- Wichita 48485
Utah view state ↗ 11 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/OXLA3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5360970 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z