Index / Search / Urochloa maxima

§1 Plant

Urochloa maxima (Jacq.) R. Webster

vernacular guineagrass — species · Poaceae


USDA
URMA3
GBIF
4108550 syn.
Rank
species
guineagrass (Urochloa maxima)
Platephotograph · no rights reservedCC0 · public domain source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Graminoid
Duration
Perennial
Group
Monocot
Family
Poaceae Barnhart
Genus
Urochloa
§2a

Native status, by region

  • HI Hawaii Introduced
  • L48 Lower 48 States Introduced
  • PB Pacific Basin (except Hawaii) Introduced
  • PR Puerto Rico Introduced
  • VI U.S. Virgin Islands Introduced
§2b

County-level range

· 42 counties across 5 states/territories
Legend Native · 0 Introduced · 42 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
High
Shade
High
Moisture use
Medium
Fire
High
Salinity
None
Anaerobic
None
CaCO₃
Low
Hedging
None
§3b

Climate & soil

Cold tolerance
22 °F minimum
Frost-free days
300 min.
Precipitation
28–100 in/yr
pH range
5.2–6.9
Root depth
12 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Bunch
Growth rate
Rapid
Lifespan
Short
Mature height
5 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Moderate
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Mid Summer
Seed abundance
Low
Seed begins
Summer
Seed ends
Fall
Spread rate
Moderate
Stratify
No
Seeds / lb
1,106,000
Propagation
seed
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
No
Browse palatability
High
Graze palatability
Medium
Palatable, human
No
Protein potential
Medium
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 42 counties across 5 states/territories.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/URMA3 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/4108550 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T09:28:40Z