Native & Naturalized Plants of the Carolinas & Georgia


2250

Grass, Sedge, or Rush
Perennial

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

Uncommon (rare in GA)

Look for it in shallow water, wet mucky soils, floodplain sloughs, cypress ponds, per Weakley's Flora

map
To see a detailed map, click here

 

...Wet

LEAVES:
Simple
Alternate, 2-ranked

FLOWER:
Spring/Summer
Inflorescence a panicle

FRUIT:
Spring/Summer
Grain dark red
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):
Glyceria septentrionalis   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Glyceria septentrionalis   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-17-001:
Glyceria septentrionalis   FAMILY Poaceae

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

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

 

COMMON NAME:
Eastern Mannagrass, Floating Mannagrass


Click or hover over the thumbnails to see larger pictures.

image of Glyceria septentrionalis

Bruce A. Sorrie    bas_g_septentrionalis1

May    Moore County    NC

Panicle 20-40cm long, branches to 10cm long, often spreading at anthesis, per Manual of the Grasses of the United States.

image of Glyceria septentrionalis

Bruce A. Sorrie    bas_g_septentrionalis2

May    Moore County    NC

Spikelets terete or nearly so in cross-section, per Weakley's Flora.

image of Glyceria septentrionalis

Bruce A. Sorrie    bas_g_septentrionalis2b

May    Moore County    NC

Spikelets 1-2cm long, 6-12 flowered, the florets rather loosely imbricate, per Manual of the Grasses of the United States.