OF THE CAROLINAS & GEORGIA

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

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



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Uniola paniculata   FAMILY Poaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Uniola paniculata

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

Uniola paniculata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-10-004:

Uniola paniculata   FAMILY Poaceae

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

Uniola paniculata

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

Uniola paniculata

 

COMMON NAME:
Sea Oats


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

image of Uniola paniculata, Sea Oats

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_unpa_001_lvd

        

image of Uniola paniculata, Sea Oats

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_unpa_002_lvd

        

image of Uniola paniculata, Sea Oats

Patrick D. McMillan    pdmupaniculata_naples3

June    Collier County    FL

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_004

July    Georgetown County    SC

Huntington Beach State Park

Flowers arranged in a showy drooping panicle w numerous flattened spikelets, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_005

July    Georgetown County    SC

Huntington Beach State Park

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_009

July    Georgetown County    SC

Huntington Beach State Park

Coarse, rhizomatous perennial; culms 1-2m tall, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_011

July    Georgetown County    SC

Huntington Beach State Park

Leaves basal and cauline. Leaf blades long attenuate, to 60cm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_016

July    Georgetown County    SC

Huntington Beach State Park

Nodes and internodes glabrous, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_017

July    Georgetown County    SC

Huntington Beach State Park

Leaf surfaces & margins glabrous, sheaths glabrous, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Uniola paniculata, Sea Oats

JK Marlow    jkm090716_019

July    Georgetown County    SC

Huntington Beach State Park

image of Uniola paniculata, Sea Oats

Keith Bradley    kab_u_paniculata_3364

July        Bahamas

Spikelets conspicuously flattened, with 8-20 florets, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).

image of Uniola paniculata, Sea Oats

JK Marlow    jkm0309p_12

September    Horry County    SC

Myrtle Beach State Park

image of Uniola paniculata, Sea Oats

Keith Bradley    kab_u_paniculata_71556

October    Miami-Dade County    FL

image of Uniola paniculata, Sea Oats

JK Marlow    jkm181110_5759

November    Georgetown County    SC

Huntington Beach State Park

image of Uniola paniculata, Sea Oats

JK Marlow    jkm231104_6524

November    Horry County    SC

Myrtle Beach State Park

image of Uniola paniculata, Sea Oats

JK Marlow    jkm231104_6551

November    Horry County    SC

Myrtle Beach State Park

image of Uniola paniculata, Sea Oats

JK Marlow    jkm231104_6596

November    Georgetown County    SC

image of Uniola paniculata, Sea Oats

JK Marlow    jkm231104_6597

November    Georgetown County    SC

This is the most important sand-binding grass on ocean dunes from NC south, per Weakley's Flora (2022).

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Uniola paniculata   FAMILY Poaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Uniola paniculata

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Uniola paniculata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-10-004:
Uniola paniculata   FAMILY Poaceae

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

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

 

Find by SCIENTIFIC NAME:

1569

Grass, Sedge, or Rush
Perennial

Habitat: Abundant on unforested primary and secondary dunes on barrier islands, and on dry to mesic sand flats and interdune swales, 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
Basal & alternate, 2-ranked

FLOWER:
Winter/Spring/Summer/Fall
Spikelets yellowish

Inflorescence a panicle

FRUIT:
Winter/Spring/Summer/Fall
Grain

 

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



 


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