Urochloa platyphylla

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusUrochloa
Species:Urochloa platyphylla (Munro ex C.Wright) R.D.Webster
Common NameBroadleaf Signalgrass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: DRU; Duration: Annual; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: South America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sporangium Arrangement: N/A
C value N/A
StatusNot Native; AGCP (FAC), EMP (FAC) (NWPL)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Brachiaria extensa Brachiaria extensa Chase
Brachiaria platyphylla Brachiaria platyphylla Nash
Panicum platyphyllum Panicum platyphyllum Munro ex C. Wright
Paspalum platyphyllum Paspalum platyphyllum Schult.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Bath (KY), Calloway (KY), Fulton (KY), Graves (KY), Hickman (KY), McLean (KY), Madison (KY), Dyer (TN), Gibson (TN), Greene (TN), Haywood (TN), Henry (TN), Humphreys (TN), Knox (TN), Lauderdale (TN), McNairy (TN), Madison (TN), Meigs (TN), Montgomery (TN), Obion (TN), Rhea (TN), Shelby (TN), Stewart (TN)

Herbaria represented by specimen data listed below: MDKY, MEM, APSC, BEREA, EKY, KNK, TENN, UCHT

Range of years during which specimens were collected: 1971 - 2008

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100176336 Dyer Tennessee 23 Jul 2003 Robert Kral
94241
EKY
Urochloa platyphylla
31234100176245 Fulton Kentucky 26 Aug 1972 Raymond Athey
2056
EKY
Urochloa platyphylla
31234100176344 Knox Tennessee 26 Sep 1986 H. Deselm
295
EKY
Urochloa platyphylla
N/A Knox Tennessee 26 Sep 1986 H. Deselm
295
EKY
Urochloa platyphylla
31234100176286 McLean Kentucky 24 Sep 1980 Richard H. Hannan
5575
EKY
Urochloa platyphylla
31234100176260 Hickman Kentucky 12 Sep 1979 Raymond Athey
4465
EKY
Urochloa platyphylla
BEREA008314 Calloway Kentucky
BEREA
Urochloa platyphylla
MDKY00004096 Fulton Kentucky
MDKY
Brachiaria platyphylla
TENN-V-0018820 Gibson Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018836 Shelby Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018855 Hickman Kentucky
TENN
Brachiaria platyphylla
TENN-V-0018823 Haywood Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018825 Henry Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018828 Madison Tennessee
TENN
Brachiaria platyphylla
31234100176278 McLean Kentucky 22 Sep 1980 Richard H. Hannan
5534
EKY
Urochloa platyphylla
31234100176252 Graves Kentucky 12 Sep 1979 Raymond Athey
4467
EKY
Urochloa platyphylla
BEREA008315 Madison Kentucky
BEREA
Urochloa platyphylla
31973000020959 Bath Kentucky 16 Oct 1999 Thieret, John
60768
KNK
Brachiaria platyphylla
TENN-V-0018832 Obion Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018838 Knox Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018837 Stewart Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018827 Madison Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018826 Lauderdale Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018822 Haywood Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018830 Meigs Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018821 Greene Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018831 Montgomery Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018834 Shelby Tennessee
TENN
Brachiaria platyphylla
APSC0034514 Montgomery Tennessee 07 Sep 1998 Edward Chester
APSC
Urochloa platyphylla
APSC0034509 Montgomery Tennessee 23 Oct 1993 Edward Chester
APSC
Urochloa platyphylla
APSC0034512 Humphreys Tennessee
APSC
Urochloa platyphylla
APSC0034511 Henry Tennessee 26 Sep 1991 Edward Chester
APSC
Urochloa platyphylla
TENN-V-0018829 McNairy Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018854 Fulton Kentucky
TENN
Brachiaria platyphylla
TENN-V-0018833 Rhea Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018856 Graves Kentucky
TENN
Brachiaria platyphylla
TENN-V-0018824 Haywood Tennessee
TENN
Brachiaria platyphylla
TENN-V-0018835 Shelby Tennessee
TENN
Brachiaria platyphylla
UCHT003970 Graves Kentucky
UCHT
Brachiaria platyphylla
APSC0034510 McNairy Tennessee
APSC
Urochloa platyphylla
APSC0031865 Stewart Tennessee 22 Oct 2008 Edward Chester
APSC
Urochloa platyphylla
APSC0031864 Stewart Tennessee 22 Oct 2008 Edward Chester
APSC
Urochloa platyphylla
UCHT036390 Hickman Kentucky
UCHT
Brachiaria platyphylla
MEM008720 Shelby Tennessee 11 Sep 1971 John E. Thompson Jr.
512
MEM
Brachiaria platyphylla
MEM020184 Lauderdale Tennessee 02 Sep 1976 Patrick Keiran
756
MEM
Brachiaria platyphylla
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