Index / Search / Ruellia humilis
§1 Plant
Ruellia humilis Nutt.
vernacular fringeleaf wild petunia — species · Acanthaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Acanthaceae Juss.
- Genus
- Ruellia
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 649 counties across 23 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- Low
- Moisture use
- Low
- Fire
- None
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 160 min.
- Precipitation
- 20–55 in/yr
- pH range
- 4.5–7.5
- Root depth
- 4 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Single Stem
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 2.6 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Purple
- Fruit colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- Low
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 150,000
- Propagation
- seed, container
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- Medium
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 649 counties across 23 states/territories.
Alabama view state ↗ 5 N ▾
Arkansas view state ↗ 54 N ▾
- Arkansas 05001
- Ashley 05003
- Baxter 05005
- Benton 05007
- Boone 05009
- Calhoun 05013
- Carroll 05015
- Clark 05019
- Clay 05021
- Cleburne 05023
- Cleveland 05025
- Columbia 05027
- Conway 05029
- Craighead 05031
- Crawford 05033
- Dallas 05039
- Desha 05041
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Fulton 05049
- Garland 05051
- Hot Spring 05059
- Izard 05065
- Jefferson 05069
- Johnson 05071
- Lawrence 05075
- Lee 05077
- Lincoln 05079
- Little River 05081
- Logan 05083
- Lonoke 05085
- Madison 05087
- Marion 05089
- Miller 05091
- Nevada 05099
- Newton 05101
- Ouachita 05103
- Perry 05105
- Phillips 05107
- Pike 05109
- Poinsett 05111
- Polk 05113
- Pope 05115
- Pulaski 05119
- Saline 05125
- Scott 05127
- Sebastian 05131
- Sharp 05135
- St. Francis 05123
- Stone 05137
- Union 05139
- Washington 05143
- Yell 05149
Georgia view state ↗ 1 N ▾
Illinois view state ↗ 90 N ▾
- Adams 17001
- Bond 17005
- Boone 17007
- Brown 17009
- Bureau 17011
- Calhoun 17013
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Ford 17053
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hamilton 17065
- Hancock 17067
- Hardin 17069
- Henderson 17071
- Iroquois 17075
- Jackson 17077
- Jasper 17079
- Jefferson 17081
- Jersey 17083
- Johnson 17087
- Kankakee 17091
- Kendall 17093
- Knox 17095
- Lake 17097
- LaSalle 17099
- Lawrence 17101
- Lee 17103
- Livingston 17105
- Logan 17107
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marion 17121
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- McLean 17113
- Mercer 17131
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Putnam 17155
- Randolph 17157
- Richland 17159
- Saline 17165
- Sangamon 17167
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Stark 17175
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Wabash 17185
- Warren 17187
- Washington 17189
- Wayne 17191
- Whiteside 17195
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 36 N ▾
- Benton 18007
- Cass 18017
- Clark 18019
- Clinton 18023
- Crawford 18025
- Daviess 18027
- Elkhart 18039
- Floyd 18043
- Gibson 18051
- Greene 18055
- Hancock 18059
- Harrison 18061
- Henry 18065
- Jasper 18073
- Jefferson 18077
- Knox 18083
- Lagrange 18087
- LaPorte 18091
- Lawrence 18093
- Madison 18095
- Marion 18097
- Miami 18103
- Montgomery 18107
- Newton 18111
- Orange 18117
- Posey 18129
- Pulaski 18131
- Spencer 18147
- St. Joseph 18141
- Sullivan 18153
- Tippecanoe 18157
- Vermillion 18165
- Wabash 18169
- Warren 18171
- Wells 18179
- White 18181
Iowa view state ↗ 14 N ▾
Kansas view state ↗ 59 N ▾
- Allen 20001
- Anderson 20003
- Atchison 20005
- Barber 20007
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Chase 20017
- Chautauqua 20019
- Cherokee 20021
- Clay 20027
- Cloud 20029
- Coffey 20031
- Cowley 20035
- Crawford 20037
- Dickinson 20041
- Doniphan 20043
- Douglas 20045
- Elk 20049
- Ellsworth 20053
- Franklin 20059
- Geary 20061
- Greenwood 20073
- Harper 20077
- Harvey 20079
- Jackson 20085
- Jefferson 20087
- Johnson 20091
- Kingman 20095
- Labette 20099
- Leavenworth 20103
- Lincoln 20105
- Linn 20107
- Lyon 20111
- Marion 20115
- Marshall 20117
- McPherson 20113
- Miami 20121
- Montgomery 20125
- Morris 20127
- Nemaha 20131
- Neosho 20133
- Osage 20139
- Ottawa 20143
- Pottawatomie 20149
- Reno 20155
- Republic 20157
- Rice 20159
- Riley 20161
- Saline 20169
- Sedgwick 20173
- Shawnee 20177
- Sumner 20191
- Wabaunsee 20197
- Washington 20201
- Wilson 20205
- Woodson 20207
- Wyandotte 20209
Kentucky view state ↗ 42 N ▾
- Anderson 21005
- Barren 21009
- Bath 21011
- Breckinridge 21027
- Bullitt 21029
- Calloway 21035
- Christian 21047
- Clark 21049
- Crittenden 21055
- Edmonson 21061
- Fleming 21069
- Floyd 21071
- Franklin 21073
- Grayson 21085
- Hardin 21093
- Harrison 21097
- Hart 21099
- Henry 21103
- Jefferson 21111
- Jessamine 21113
- Larue 21123
- Lee 21129
- Lincoln 21137
- Livingston 21139
- Logan 21141
- Lyon 21143
- Madison 21151
- Meade 21163
- Montgomery 21173
- Nelson 21179
- Nicholas 21181
- Oldham 21185
- Pendleton 21191
- Pulaski 21199
- Robertson 21201
- Rockcastle 21203
- Rowan 21205
- Todd 21219
- Warren 21227
- Wayne 21231
- Whitley 21235
- Woodford 21239
Louisiana view state ↗ 38 N ▾
- Acadia 22001
- Allen 22003
- Beauregard 22011
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- De Soto 22031
- East Baton Rouge 22033
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Jackson 22049
- Jefferson Davis 22053
- Lafayette 22055
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Morehouse 22067
- Natchitoches 22069
- Ouachita 22073
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Helena 22091
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Vernon 22115
- Washington 22117
- Webster 22119
- Winn 22127
Maryland view state ↗ 2 N ▾
Michigan view state ↗ 3 N ▾
Mississippi view state ↗ 18 N ▾
Missouri view state ↗ 102 N ▾
- Adair 29001
- Audrain 29007
- Barry 29009
- Barton 29011
- Bates 29013
- Benton 29015
- Boone 29019
- Buchanan 29021
- Butler 29023
- Caldwell 29025
- Callaway 29027
- Camden 29029
- Carroll 29033
- Carter 29035
- Cass 29037
- Cedar 29039
- Chariton 29041
- Christian 29043
- Clark 29045
- Clay 29047
- Clinton 29049
- Cole 29051
- Cooper 29053
- Crawford 29055
- Dade 29057
- Dallas 29059
- Daviess 29061
- DeKalb 29063
- Dent 29065
- Douglas 29067
- Franklin 29071
- Gasconade 29073
- Gentry 29075
- Greene 29077
- Grundy 29079
- Harrison 29081
- Henry 29083
- Hickory 29085
- Holt 29087
- Howard 29089
- Howell 29091
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Knox 29103
- Laclede 29105
- Lafayette 29107
- Lawrence 29109
- Lewis 29111
- Lincoln 29113
- Linn 29115
- Livingston 29117
- Macon 29121
- Madison 29123
- Maries 29125
- Marion 29127
- McDonald 29119
- Mercer 29129
- Miller 29131
- Moniteau 29135
- Monroe 29137
- Montgomery 29139
- Morgan 29141
- Newton 29145
- Nodaway 29147
- Oregon 29149
- Osage 29151
- Ozark 29153
- Perry 29157
- Pettis 29159
- Phelps 29161
- Pike 29163
- Platte 29165
- Polk 29167
- Pulaski 29169
- Putnam 29171
- Ralls 29173
- Randolph 29175
- Ray 29177
- Reynolds 29179
- Ripley 29181
- Saline 29195
- Schuyler 29197
- Scotland 29199
- Shannon 29203
- Shelby 29205
- St. Charles 29183
- St. Clair 29185
- St. Francois 29187
- St. Louis 29189
- Ste. Genevieve 29186
- Stone 29209
- Sullivan 29211
- Taney 29213
- Texas 29215
- Vernon 29217
- Warren 29219
- Washington 29221
- Webster 29225
- Worth 29227
- Wright 29229
Nebraska view state ↗ 10 N ▾
North Carolina view state ↗ 2 N ▾
Ohio view state ↗ 24 N ▾
- Adams 39001
- Butler 39017
- Champaign 39021
- Clark 39023
- Clermont 39025
- Clinton 39027
- Cuyahoga 39035
- Fairfield 39045
- Fayette 39047
- Franklin 39049
- Greene 39057
- Hamilton 39061
- Highland 39071
- Jackson 39079
- Lawrence 39087
- Logan 39091
- Madison 39097
- Miami 39109
- Montgomery 39113
- Pickaway 39129
- Pike 39131
- Ross 39141
- Union 39159
- Warren 39165
Oklahoma view state ↗ 40 N ▾
- Atoka 40005
- Bryan 40013
- Carter 40019
- Cherokee 40021
- Choctaw 40023
- Cleveland 40027
- Comanche 40031
- Delaware 40041
- Garfield 40047
- Grady 40051
- Haskell 40061
- Johnston 40069
- Kay 40071
- Kingfisher 40073
- Kiowa 40075
- Latimer 40077
- Le Flore 40079
- Lincoln 40081
- Logan 40083
- Marshall 40095
- Mayes 40097
- McCurtain 40089
- McIntosh 40091
- Murray 40099
- Muskogee 40101
- Noble 40103
- Oklahoma 40109
- Osage 40113
- Ottawa 40115
- Payne 40119
- Pontotoc 40123
- Pottawatomie 40125
- Pushmataha 40127
- Roger Mills 40129
- Rogers 40131
- Seminole 40133
- Sequoyah 40135
- Tulsa 40143
- Wagoner 40145
- Washington 40147
Pennsylvania view state ↗ 2 N ▾
Tennessee view state ↗ 27 N ▾
- Anderson 47001
- Bedford 47003
- Bradley 47011
- Claiborne 47025
- Coffee 47031
- Davidson 47037
- Decatur 47039
- Fentress 47049
- Knox 47093
- Loudon 47105
- Marshall 47117
- Maury 47119
- McNairy 47109
- Meigs 47121
- Montgomery 47125
- Overton 47133
- Rhea 47143
- Roane 47145
- Rutherford 47149
- Sequatchie 47153
- Sumner 47165
- Trousdale 47169
- Washington 47179
- Wayne 47181
- White 47185
- Williamson 47187
- Wilson 47189
Texas view state ↗ 63 N ▾
- Anderson 48001
- Bandera 48019
- Bastrop 48021
- Blanco 48031
- Bowie 48037
- Brazoria 48039
- Brazos 48041
- Burnet 48053
- Cameron 48061
- Camp 48063
- Cass 48067
- Chambers 48071
- Cherokee 48073
- Collin 48085
- Dallas 48113
- Denton 48121
- DeWitt 48123
- Fannin 48147
- Fayette 48149
- Fort Bend 48157
- Galveston 48167
- Grayson 48181
- Gregg 48183
- Hardin 48199
- Harris 48201
- Hays 48209
- Hill 48217
- Houston 48225
- Hunt 48231
- Jack 48237
- Jasper 48241
- Jefferson 48245
- Kaufman 48257
- Lamar 48277
- Lavaca 48285
- Lee 48287
- Liberty 48291
- Matagorda 48321
- McLennan 48309
- Montgomery 48339
- Morris 48343
- Navarro 48349
- Newton 48351
- Parker 48367
- Polk 48373
- Real 48385
- Red River 48387
- Robertson 48395
- Rusk 48401
- Sabine 48403
- San Augustine 48405
- Tarrant 48439
- Titus 48449
- Travis 48453
- Tyler 48457
- Upshur 48459
- Van Zandt 48467
- Victoria 48469
- Walker 48471
- Washington 48477
- Wharton 48481
- Wheeler 48483
- Wise 48497
Virginia view state ↗ 9 N ▾
West Virginia view state ↗ 2 N ▾
Wisconsin view state ↗ 6 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/RUHU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5415395 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T13:12:28Z