Native & Naturalized Plants of the Carolinas & Georgia


1034

Grass, Sedge, or Rush
Perennial

Non-native: South America
Documented growing wild in GA NC SC

Common

Look for it on roadsides, in fields, and disturbed areas, per Weakley's Flora

map
To see a detailed map, click here


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Alabama Invasive Plant Council, 2012
Georgia Exotic Pest Plant Council, 2006
SC Exotic Pest Plant Council, 2014
US Forest Service Southern Research Station

 

full sun

LEAVES:
Simple
Mostly basal & low alternate, 2-ranked

RHIZOMES? STOLONS?
Cespitose, with short stout rhizomes

FLOWER:
Spring/Summer
Inflorescence a panicle of 17-25 ascending racemose branches

FRUIT:
Spring/Summer
Grain brownish
Grain

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales

WEAKLEY'S FLORA (11/30/12):
Paspalum urvillei   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Paspalum urvillei   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-74-007:
Paspalum urvillei   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Paspalum urvillei

 

COMMON NAME:
Vasey Grass


Click or hover over the thumbnails to see larger pictures.

image of Paspalum urvillei

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_paur2_002_lvd

        

image of Paspalum urvillei

Glen Peterson    gkp9305_purvillei01

August    Spartanburg County    SC

Inflorescence 7-20 ascending to arched-spreading racemes on a single axis, per Wildflowers of the Eastern United States.

image of Paspalum urvillei

Glen Peterson    gkp9317_purvilleivsdilata

August    Spartanburg County    SC

Culms of P. urvillei (left) 1-2m tall, vs. P. dilatatum (right) 0.6-1.2m tall, per Vascular Flora of the Carolinas.

image of Paspalum urvillei

Glen Peterson    gkp9318_purvillei02

August    Spartanburg County    SC

Lowest sheaths often densely hairy and turning brown to purple later, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Paspalum urvillei

Glen Peterson    gkp9329_purvillei03

August    Spartanburg County    SC

Ligule a long membrane, 4-8mm, w long hair tufts behind, collar often dark, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Paspalum urvillei

Glen Peterson    gkp9338_pdilatatumvsurvel

August    Spartanburg County    SC

Ligules of P. dilatatum (on left) vs. P. urvillei (on right).

image of Paspalum urvillei

Glen Peterson    gkp9381

August    Spartanburg County    SC

Spikelets 4-rowed, light-green often with dark flowering parts extending, per Forest Plants of the Southeast and Their Wildlife Uses.

image of Paspalum urvillei

Glen Peterson    gkp9381_pdilatatumvsurvel

August    Spartanburg County    SC

P. dilatatum on the left, P. urvillei on the right.

image of Paspalum urvillei

JK Marlow    jkm140822_856b

August    Greenville County    SC

Swamp Rabbit Trail

Leaf blades 3-15mm wide, pilose at base, per Manual of the Grasses of the United States.

image of Paspalum urvillei

JK Marlow    jkm140822_857

August    Greenville County    SC

Swamp Rabbit Trail

image of Paspalum urvillei

JK Marlow    jkm081009_184b

October    Dorchester County    SC

McAlhany Nature Preserve

Spikelets 2-3mm with conspicuous silky hairs, a rare occurrence in Paspalum, per Wildflowers of the Eastern United States.

image of Paspalum urvillei

JK Marlow    jkm081009_186

October    Dorchester County    SC

McAlhany Nature Preserve

image of Paspalum urvillei

JK Marlow    s051029_f

October    Oconee County    SC