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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Uniola from the Vascular Plants of North Carolina.
This is the most important sand-binding grass on ocean dunes from NC south, playing a critical role in primary succession on dunes, per Weakley's Flora (2022)
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.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_unpa_001_lvd
)
USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_unpa_002_lvd
)
Patrick D. McMillan pdmupaniculata_naples3
June Collier County FL
)
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).
)
JK Marlow jkm090716_005
July Georgetown County SC
Huntington Beach State Park
)
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).
)
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).
)
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).
)
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).
)
JK Marlow jkm090716_019
July Georgetown County SC
Huntington Beach State Park
)
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).
)
JK Marlow jkm0309p_12
September Horry County SC
Myrtle Beach State Park
)
Keith Bradley kab_u_paniculata_71556
October Miami-Dade County FL
)
JK Marlow jkm181110_5759
November Georgetown County SC
Huntington Beach State Park
)
JK Marlow jkm231104_6524
November Horry County SC
Myrtle Beach State Park
)
JK Marlow jkm231104_6551
November Horry County SC
Myrtle Beach State Park
)
JK Marlow jkm231104_6596
November Georgetown County SC
)
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
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
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
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!
- Atlantic Coastal Plain Wildflowers (Nelson, 2006) p238
- Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001) p347
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p489
- Manual of the Grasses of the United States (Hitchcock & Chase, 1950) p179
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p083
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p150
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p005
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p416
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