OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Setaria pumila   FAMILY Poaceae   Go to FSUS key



INCLUDING & INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Setaria pumila ssp. pallidefusca   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25 (2003)

Setaria pumila ssp. pumila

INCLUDING & INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Setaria pumila ssp. pallidifusca

SYNONYMOUS WITH (MISAPPLIED) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-68-004:

Setaria glauca   FAMILY Poaceae

INCLUDING & INCLUDED WITHIN (MISAPPLIED) Manual of the Grasses of the US (Hitchcock & Chase, 1950)

Setaria lutescens

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Chaetochloa lutescens

 

COMMON NAME:
Yellow Foxtail


         To see larger pictures, click or hover over the thumbnails.

image of Setaria pumila, Yellow Foxtail

USDA / Selected Weeds of the US. 1970    swus_page_083c

        

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm200808_6876

August    Transylvania County    NC

DuPont State Forest

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm200808_6975

August    Transylvania County    NC

DuPont State Forest

An annual with fibrous roots, per Weakley's Flora (2020).

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm200808_6977

August    Transylvania County    NC

DuPont State Forest

Leaves flat [not folded], per Weakley's Flora (2020).

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm200808_6980

August    Transylvania County    NC

DuPont State Forest

Longer bristles 2-3x as long as the spikelet, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm200808_6992

August    Transylvania County    NC

DuPont State Forest

4-12 bristles below each spikelet, per Weakley's Flora (2020).

image of Setaria pumila, Yellow Foxtail

Gill Newberry    gn09_setaria_glauca

September        

Panicle dense, evenly cylindric, spikelike, yellow at maturity, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm140924_952

September    Greenville County    SC

Swamp Rabbit Trail

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm210905_3350

September    Greenville County    SC

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm210905_3353

September    Greenville County    SC

image of Setaria pumila, Yellow Foxtail

JK Marlow    jkm210905_3355

September    Greenville County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Setaria pumila   FAMILY Poaceae

INCLUDING & INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Setaria pumila ssp. pallidefusca   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Setaria pumila ssp. pumila

INCLUDING & INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Setaria pumila ssp. pallidifusca

SYNONYMOUS WITH (MISAPPLIED) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-68-004:
Setaria glauca   FAMILY Poaceae

INCLUDING & INCLUDED WITHIN (MISAPPLIED) Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Setaria lutescens

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Chaetochloa lutescens

 

Find by SCIENTIFIC NAME:

1371

Grass, Sedge, or Rush
Annual

Habitat: Disturbed areas, lawns, fields, less commonly in natural habitats, per Weakley's Flora

Non-native: Europe

Common

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)


INVASIVE

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

 

LEAVES:
Simple
Alternate, 2-ranked

RHIZOMES? STOLONS?
Cespitose [growing in dense tufts, clumping], not rhizomatous

FLOWER:
Summer/Fall

Inflorescence a dense, spikelike panicle

FRUIT:
Summer/Fall
Panicle yellow at maturity
Grain

 

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



 


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