Index / Search / Eleocharis obtusa
§1 Plant
Eleocharis obtusa (Willd.) Schult.
vernacular blunt spikerush — species · Cyperaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual, Perennial
- Group
- Monocot
- Family
- Cyperaceae Juss.
- Genus
- Eleocharis
§2a
Native status, by region
- CAN Canada Native
- HI Hawaii Native
- L48 Lower 48 States Native
§2b
County-level range
· 712 counties across 18 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- None
- Anaerobic
- Medium
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 37 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 18–60 in/yr
- pH range
- 4.1–8.7
- Root depth
- 10 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 1.6 ft
- Foliage texture
- Fine
- Foliage colour
- Dark Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- Yes
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 2,834,953
- Propagation
- seed, bare root, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Graze palatability
- Low
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 712 counties across 18 states/territories.
Alabama view state ↗ 39 N ▾
- Autauga 01001
- Barbour 01005
- Bibb 01007
- Blount 01009
- Bullock 01011
- Calhoun 01015
- Chambers 01017
- Choctaw 01023
- Cleburne 01029
- Coffee 01031
- Conecuh 01035
- Cullman 01043
- Elmore 01051
- Escambia 01053
- Etowah 01055
- Hale 01065
- Henry 01067
- Jackson 01071
- Jefferson 01073
- Lauderdale 01077
- Lawrence 01079
- Lee 01081
- Limestone 01083
- Madison 01089
- Marshall 01095
- Mobile 01097
- Monroe 01099
- Montgomery 01101
- Morgan 01103
- Pickens 01107
- Pike 01109
- Randolph 01111
- Shelby 01117
- St. Clair 01115
- Sumter 01119
- Tallapoosa 01123
- Tuscaloosa 01125
- Walker 01127
- Wilcox 01131
Arkansas view state ↗ 51 N ▾
- Arkansas 05001
- Ashley 05003
- Baxter 05005
- Benton 05007
- Boone 05009
- Bradley 05011
- Calhoun 05013
- Clark 05019
- Clay 05021
- Cleburne 05023
- Cleveland 05025
- Conway 05029
- Craighead 05031
- Crittenden 05035
- Desha 05041
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Fulton 05049
- Garland 05051
- Grant 05053
- Hot Spring 05059
- Independence 05063
- Jackson 05067
- Jefferson 05069
- Johnson 05071
- Lee 05077
- Lincoln 05079
- Logan 05083
- Lonoke 05085
- Marion 05089
- Miller 05091
- Mississippi 05093
- Montgomery 05097
- Newton 05101
- Ouachita 05103
- Phillips 05107
- Pike 05109
- Poinsett 05111
- Polk 05113
- Pope 05115
- Prairie 05117
- Pulaski 05119
- Saline 05125
- Scott 05127
- Sebastian 05131
- St. Francis 05123
- Union 05139
- Van Buren 05141
- Washington 05143
- Woodruff 05147
Delaware view state ↗ 2 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 12 N ▾
Georgia view state ↗ 34 N ▾
- Baldwin 13009
- Brooks 13027
- Calhoun 13037
- Cherokee 13057
- Clarke 13059
- Colquitt 13071
- Cook 13075
- Decatur 13087
- DeKalb 13089
- Dougherty 13095
- Early 13099
- Floyd 13115
- Grady 13131
- Harris 13145
- Henry 13151
- Jackson 13157
- Jasper 13159
- Lee 13177
- Macon 13193
- Madison 13195
- Miller 13201
- Mitchell 13205
- Morgan 13211
- Newton 13217
- Oconee 13219
- Oglethorpe 13221
- Putnam 13237
- Rabun 13241
- Randolph 13243
- Seminole 13253
- Thomas 13275
- Tift 13277
- Walker 13295
- Wilkes 13317
Kentucky view state ↗ 94 N ▾
- Adair 21001
- Ballard 21007
- Barren 21009
- Bath 21011
- Bell 21013
- Boone 21015
- Bourbon 21017
- Boyd 21019
- Boyle 21021
- Breathitt 21025
- Breckinridge 21027
- Bullitt 21029
- Butler 21031
- Calloway 21035
- Campbell 21037
- Carlisle 21039
- Carroll 21041
- Carter 21043
- Casey 21045
- Christian 21047
- Clark 21049
- Clay 21051
- Clinton 21053
- Crittenden 21055
- Daviess 21059
- Edmonson 21061
- Elliott 21063
- Estill 21065
- Fayette 21067
- Fleming 21069
- Floyd 21071
- Franklin 21073
- Fulton 21075
- Gallatin 21077
- Garrard 21079
- Grant 21081
- Graves 21083
- Greenup 21089
- Hardin 21093
- Harlan 21095
- Harrison 21097
- Hart 21099
- Henderson 21101
- Henry 21103
- Hickman 21105
- Hopkins 21107
- Jackson 21109
- Jefferson 21111
- Jessamine 21113
- Johnson 21115
- Kenton 21117
- Knox 21121
- Laurel 21125
- Lawrence 21127
- Lee 21129
- Leslie 21131
- Letcher 21133
- Lewis 21135
- Lincoln 21137
- Livingston 21139
- Logan 21141
- Lyon 21143
- Madison 21151
- Marshall 21157
- Mason 21161
- McCracken 21145
- McCreary 21147
- McLean 21149
- Meade 21163
- Menifee 21165
- Mercer 21167
- Montgomery 21173
- Muhlenberg 21177
- Ohio 21183
- Oldham 21185
- Owen 21187
- Pendleton 21191
- Perry 21193
- Pike 21195
- Powell 21197
- Pulaski 21199
- Robertson 21201
- Rockcastle 21203
- Rowan 21205
- Scott 21209
- Shelby 21211
- Simpson 21213
- Spencer 21215
- Todd 21219
- Trigg 21221
- Union 21225
- Warren 21227
- Wayne 21231
- Woodford 21239
Louisiana view state ↗ 56 N ▾
- Acadia 22001
- Allen 22003
- Ascension 22005
- Assumption 22007
- Avoyelles 22009
- Beauregard 22011
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- Concordia 22029
- De Soto 22031
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Iberville 22047
- Jackson 22049
- Jefferson Davis 22053
- Lafayette 22055
- Lafourche 22057
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Pointe Coupee 22077
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Charles 22089
- St. Helena 22091
- St. John the Baptist 22095
- St. Landry 22097
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Terrebonne 22109
- Union 22111
- Vernon 22115
- Washington 22117
- Webster 22119
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Maryland view state ↗ 2 N ▾
Massachusetts view state ↗ 14 N ▾
Mississippi view state ↗ 38 N ▾
- Amite 28005
- Benton 28009
- Bolivar 28011
- Calhoun 28013
- Carroll 28015
- Choctaw 28019
- Claiborne 28021
- Clarke 28023
- Coahoma 28027
- DeSoto 28033
- Forrest 28035
- Greene 28041
- Hinds 28049
- Holmes 28051
- Jasper 28061
- Jones 28067
- Lafayette 28071
- Lauderdale 28075
- Lee 28081
- Leflore 28083
- Madison 28089
- Marshall 28093
- Montgomery 28097
- Pike 28113
- Pontotoc 28115
- Quitman 28119
- Rankin 28121
- Scott 28123
- Sharkey 28125
- Simpson 28127
- Smith 28129
- Tallahatchie 28135
- Tate 28137
- Tunica 28143
- Union 28145
- Washington 28151
- Wilkinson 28157
- Yalobusha 28161
New Jersey view state ↗ 13 N ▾
New York view state ↗ 54 N ▾
- Albany 36001
- Allegany 36003
- Bronx 36005
- Cattaraugus 36009
- Cayuga 36011
- Chemung 36015
- Chenango 36017
- Clinton 36019
- Columbia 36021
- Cortland 36023
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Franklin 36033
- Fulton 36035
- Genesee 36037
- Greene 36039
- Hamilton 36041
- Herkimer 36043
- Jefferson 36045
- Kings 36047
- Lewis 36049
- Livingston 36051
- Madison 36053
- Monroe 36055
- Nassau 36059
- Niagara 36063
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Oswego 36075
- Otsego 36077
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- Schoharie 36095
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Sullivan 36105
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
North Carolina view state ↗ 91 N ▾
- Alamance 37001
- Alexander 37003
- Alleghany 37005
- Anson 37007
- Ashe 37009
- Avery 37011
- Beaufort 37013
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Buncombe 37021
- Burke 37023
- Cabarrus 37025
- Caldwell 37027
- Carteret 37031
- Caswell 37033
- Catawba 37035
- Chatham 37037
- Cherokee 37039
- Chowan 37041
- Clay 37043
- Cleveland 37045
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Currituck 37053
- Dare 37055
- Davidson 37057
- Durham 37063
- Edgecombe 37065
- Forsyth 37067
- Franklin 37069
- Gaston 37071
- Gates 37073
- Graham 37075
- Granville 37077
- Greene 37079
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Haywood 37087
- Henderson 37089
- Hertford 37091
- Hyde 37095
- Iredell 37097
- Jackson 37099
- Johnston 37101
- Lee 37105
- Lenoir 37107
- Lincoln 37109
- Macon 37113
- Madison 37115
- Martin 37117
- McDowell 37111
- Mecklenburg 37119
- Mitchell 37121
- Montgomery 37123
- Moore 37125
- Nash 37127
- Northampton 37131
- Orange 37135
- Pasquotank 37139
- Pender 37141
- Perquimans 37143
- Person 37145
- Pitt 37147
- Polk 37149
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rockingham 37157
- Rowan 37159
- Rutherford 37161
- Sampson 37163
- Stanly 37167
- Stokes 37169
- Surry 37171
- Swain 37173
- Transylvania 37175
- Tyrrell 37177
- Union 37179
- Vance 37181
- Wake 37183
- Warren 37185
- Washington 37187
- Watauga 37189
- Wayne 37191
- Wilkes 37193
- Wilson 37195
- Yadkin 37197
- Yancey 37199
Pennsylvania view state ↗ 67 N ▾
- Adams 42001
- Allegheny 42003
- Armstrong 42005
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Cambria 42021
- Cameron 42023
- Carbon 42025
- Centre 42027
- Chester 42029
- Clarion 42031
- Clearfield 42033
- Clinton 42035
- Columbia 42037
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Elk 42047
- Erie 42049
- Fayette 42051
- Forest 42053
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Indiana 42063
- Jefferson 42065
- Juniata 42067
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- McKean 42083
- Mercer 42085
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Montour 42093
- Northampton 42095
- Northumberland 42097
- Perry 42099
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Schuylkill 42107
- Snyder 42109
- Somerset 42111
- Sullivan 42113
- Susquehanna 42115
- Tioga 42117
- Union 42119
- Venango 42121
- Warren 42123
- Washington 42125
- Wayne 42127
- Westmoreland 42129
- Wyoming 42131
- York 42133
Vermont view state ↗ 3 N ▾
Virginia view state ↗ 97 N ▾
- Accomack 51001
- Albemarle 51003
- Alleghany 51005
- Amelia 51007
- Amherst 51009
- Arlington 51013
- Augusta 51015
- Bath 51017
- Bedford 51019
- Bland 51021
- Botetourt 51023
- Brunswick 51025
- Buchanan 51027
- Campbell 51031
- Caroline 51033
- Carroll 51035
- Charles City 51036
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Clarke 51043
- Craig 51045
- Culpeper 51047
- Cumberland 51049
- Dickenson 51051
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Fauquier 51061
- Floyd 51063
- Fluvanna 51065
- Franklin 51067
- Frederick 51069
- Giles 51071
- Gloucester 51073
- Goochland 51075
- Grayson 51077
- Greene 51079
- Greensville 51081
- Halifax 51083
- Hampton (city) 51650
- Hanover 51085
- Henrico 51087
- Henry 51089
- Highland 51091
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- King George 51099
- King William 51101
- Lancaster 51103
- Lee 51105
- Loudoun 51107
- Louisa 51109
- Lunenburg 51111
- Madison 51113
- Mathews 51115
- Mecklenburg 51117
- Middlesex 51119
- Montgomery 51121
- Nelson 51125
- New Kent 51127
- Newport News (city) 51700
- Northampton 51131
- Northumberland 51133
- Nottoway 51135
- Orange 51137
- Page 51139
- Patrick 51141
- Pittsylvania 51143
- Powhatan 51145
- Prince Edward 51147
- Prince George 51149
- Prince William 51153
- Pulaski 51155
- Rappahannock 51157
- Roanoke 51161
- Rockbridge 51163
- Rockingham 51165
- Russell 51167
- Scott 51169
- Shenandoah 51171
- Smyth 51173
- Southampton 51175
- Spotsylvania 51177
- Stafford 51179
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Tazewell 51185
- Virginia Beach (city) 51810
- Warren 51187
- Washington 51191
- Westmoreland 51193
- Wise 51195
- Wythe 51197
- York 51199
West Virginia view state ↗ 44 N ▾
- Berkeley 54003
- Braxton 54007
- Cabell 54011
- Calhoun 54013
- Clay 54015
- Doddridge 54017
- Fayette 54019
- Grant 54023
- Greenbrier 54025
- Hampshire 54027
- Hancock 54029
- Hardy 54031
- Harrison 54033
- Jackson 54035
- Jefferson 54037
- Kanawha 54039
- Lewis 54041
- Marion 54049
- Marshall 54051
- Mason 54053
- McDowell 54047
- Mercer 54055
- Mineral 54057
- Monongalia 54061
- Morgan 54065
- Ohio 54069
- Pendleton 54071
- Pocahontas 54075
- Preston 54077
- Putnam 54079
- Raleigh 54081
- Randolph 54083
- Ritchie 54085
- Roane 54087
- Summers 54089
- Taylor 54091
- Tucker 54093
- Tyler 54095
- Upshur 54097
- Wayne 54099
- Wetzel 54103
- Wirt 54105
- Wood 54107
- Wyoming 54109
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ELOB2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2717467 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T05:45:41Z