Native & Naturalized Plants of the Carolinas & Georgia


3942

Grass, Sedge, or Rush
Annual

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common in Coastal Plain (rare elsewhere)

Look for it in marshes of many kinds, per Weakley's Flora

map
To see a detailed map, click here

 

...Wet

LEAVES:
Simple
Alternate, 2-ranked

FLOWER:
Summer/Fall
Inflorescence a panicle

FRUIT:
Summer/Fall
Grain whitish
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 (5/21/15):
Echinochloa walteri   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Echinochloa walteri   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-73-003:
Echinochloa walteri   FAMILY Poaceae

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

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

 

COMMON NAME:
Swamp Barnyard Grass


Click or hover over the thumbnails to see larger pictures.

image of Echinochloa walteri

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_ecwa_001_lvd

        

image of Echinochloa walteri

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_ecwa_003_lvd

        

image of Echinochloa walteri

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_ecwa_005_lvd

        

image of Echinochloa walteri

Keith Bradley    kab_e_walteri_1300

May    Miami-Dade County    FL

Panicle branches spikelike, spikelets congested on short secondary branches, per Wildflowers of the Eastern United States.

image of Echinochloa walteri

Keith Bradley    kab_e_walteri_71748

August    Miami-Dade County    FL

Tip of the fertile lemma is abuptly pointed & doesn't enclose tip of palea, per Wildflowers of the Eastern United States.

image of Echinochloa walteri

Keith Bradley    kab_ewalteri_71753

August    Miami-Dade County    FL

Fertile lemma hard, shiny and smooth (as in Paspalum, Panicum, Sacciolepis), per Wildflowers of the Eastern United States.