Index / Search / Urochloa platyphylla
§1 Plant
Urochloa platyphylla (Munro ex C. Wright) R.D. Webster
vernacular broadleaf signalgrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Urochloa
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 150 counties across 14 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- Medium
- Fire
- Low
- Salinity
- Low
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 17 °F minimum
- Frost-free days
- 180 min.
- Precipitation
- 40–60 in/yr
- pH range
- 5–7
- Root depth
- 16 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Mature height
- 3 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Indeterminate
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Rapid
- Stratify
- No
- Seeds / lb
- 350,000
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Graze palatability
- High
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 150 counties across 14 states/territories.
Alabama view state ↗ 3 N ▾
Arizona view state ↗ 1 N ▾
Arkansas view state ↗ 14 N ▾
Florida view state ↗ 12 N ▾
Georgia view state ↗ 6 N ▾
Illinois view state ↗ 1 N ▾
Kentucky view state ↗ 8 N ▾
Louisiana view state ↗ 60 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
- Iberia 22045
- Iberville 22047
- Jackson 22049
- Jefferson 22051
- Jefferson Davis 22053
- Lafayette 22055
- Lafourche 22057
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Charles 22089
- St. Helena 22091
- St. James 22093
- St. John the Baptist 22095
- St. Landry 22097
- St. Martin 22099
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Union 22111
- Vermilion 22113
- Vernon 22115
- Washington 22117
- Webster 22119
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Mississippi view state ↗ 24 N ▾
- Adams 28001
- Bolivar 28011
- Carroll 28015
- Coahoma 28027
- DeSoto 28033
- Forrest 28035
- Hancock 28045
- Holmes 28051
- Humphreys 28053
- Jackson 28059
- Jones 28067
- Lafayette 28071
- Lawrence 28077
- Lee 28081
- Leflore 28083
- Madison 28089
- Pearl River 28109
- Quitman 28119
- Rankin 28121
- Sharkey 28125
- Smith 28129
- Sunflower 28133
- Washington 28151
- Wilkinson 28157
Missouri view state ↗ 8 N ▾
North Carolina view state ↗ 1 N ▾
South Carolina view state ↗ 4 N ▾
Tennessee view state ↗ 6 N ▾
Virginia view state ↗ 2 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/URPL2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2705854 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T08:39:52Z