OF THE CAROLINAS & GEORGIA

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

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


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Glyceria septentrionalis   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America
Glyceria septentrionalis var. septentrionalis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 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, 1938)
Panicularia septentrionalis

 

COMMON NAME:
Eastern Mannagrass, Floating Mannagrass


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

image of Glyceria septentrionalis, Eastern Mannagrass, Floating Mannagrass

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, Eastern Mannagrass, Floating Mannagrass

Bruce A. Sorrie    bas_g_septentrionalis2

May    Moore County    NC

Spikelets terete or nearly so in cross-section, per Weakley's Flora (2015).

image of Glyceria septentrionalis, Eastern Mannagrass, Floating Mannagrass

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.

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Glyceria septentrionalis   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America
Glyceria septentrionalis var. septentrionalis

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 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, 1938)
Panicularia septentrionalis

 

Find by SCIENTIFIC NAME:

2250

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia

Uncommon (rare in Mountains, rare in GA)

Habitat: Shallow water, wet mucky soils, floodplain sloughs, cypress ponds, per Weakley's Flora

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.)

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!



 


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