OF THE CAROLINAS & GEORGIA

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

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



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Setaria parviflora   FAMILY Poaceae

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

Setaria parviflora

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-68-003:

Setaria geniculata   FAMILY Poaceae

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

Setaria geniculata

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

Chaetochloa geniculata

 

COMMON NAME:
Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail


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

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_sege_002_lvd

        

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

JK Marlow    jkm180814_3757

August    McCormick County    SC

Parks Mill

Flowers in a spike-like panicle 0.5-3cm wide, yellow or purplish, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

JK Marlow    jkm180825_4188

August    Pickens County    SC

Jocassee Gorges

Spikelets 2-2.5 or even 3mm long; bristles 1-3x or even 6x long as spikelet, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

JK Marlow    jkm230808_4765

August    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

JK Marlow    jkm230808_4772

August    Pickens County    SC

Glassy Mountain Heritage Preserve

Noticeably rhizomatous, per Weakley's Flora (2023).

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

Bruce A. Sorrie    bas_setaria_parviflora1

September    Moore County    NC

Panicle 3-8(10)cm long; plant from knotty rhizomes, per Weakley's Flora (2015).

image of Setaria parviflora, Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail

Bruce A. Sorrie    bas_setaria_parviflora2

September    Moore County    NC

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Setaria parviflora   FAMILY Poaceae

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

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-68-003:
Setaria geniculata   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Setaria geniculata

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

 

Find by SCIENTIFIC NAME:

1370

Grass, Sedge, or Rush
Perennial

Habitat: marshes, ditches, moist disturbed areas, pine rocklands, and dry disturbed areas over limestone, per Weakley's Flora

Native to the Carolinas & Georgia

Common

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

LEAVES:
Simple
Alternate, 2-ranked

RHIZOMES? STOLONS?
Cespitose [growing in dense tufts, clumping], with short rhizomes

FLOWER:
Winter/Spring/Summer/Fall
Bristles yellowish or purple

Inflorescence a dense, spikelike panicle

FRUIT:
Winter/Spring/Summer/Fall
Grain dark
Grain

 

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



 


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