OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Apiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eryngium aquaticum   FAMILY Apiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eryngium aquaticum var. aquaticum   FAMILY Apiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-04-006a:

Eryngium aquaticum var. aquaticum   FAMILY Apiaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Eryngium aquaticum

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

Eryngium virginianum

 

COMMON NAME:
Marsh Eryngo


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

image of Eryngium aquaticum, Marsh Eryngo

USDA Forest Service / A Guide to Medicinal Plants of Appalachia. 1969    mpa_page_115

        

image of Eryngium aquaticum, Marsh Eryngo

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_ervi11_001_lvd

        

image of Eryngium aquaticum, Marsh Eryngo

Keith Bradley    kab_image1

June        

image of Eryngium aquaticum, Marsh Eryngo

Will Stuart    wil_e_aquatic_230818_1578

August    Charleston County    SC

Francis Marion National Forest

Heads subglobose to hemispherical, 6-12mm in diameter, per Weakley's Flora (2023).

image of Eryngium aquaticum, Marsh Eryngo

Patrick D. McMillan    pdmeaquaticum_2

Month Unknown        

Middle cusp of the bractlets elongate, distinctly longer than the lateral cusps, per Weakley's Flora (2023).

image of Eryngium aquaticum, Marsh Eryngo

Patrick D. McMillan    pdmeaquaticum_216

Month Unknown        

image of Eryngium aquaticum, Marsh Eryngo

Patrick D. McMillan    pdmeaquaticum_wadboo1

Month Unknown        

image of Eryngium aquaticum, Marsh Eryngo

Patrick D. McMillan    pdmeaquaticum_wadboo3

Month Unknown        

Leaves glaucous, oblanceolate, > 4" long, pinnately veined w wavy margins, per All About South Carolina Wildflowers (Midgley, 1999).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eryngium aquaticum   FAMILY Apiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eryngium aquaticum var. aquaticum   FAMILY Apiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-04-006a:
Eryngium aquaticum var. aquaticum   FAMILY Apiaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Eryngium aquaticum

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

 

Find by SCIENTIFIC NAME:

2439

Forb
Biennial

Habitat: Tidal freshwater to brackish marshes; slightly inland over calcareous substrates, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in Coastal Plain

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

IS THE PLANT "ARMED"?
Leaf margins with or without bristles

LEAVES:
Simple
Basal & alternate (reduced upward)

FLOWER:
Summer/Fall
Bluish-silver
5-merous
Inferior ovary

Flowers in compact heads

FRUIT:
Summer/Fall
Schizocarp of two mericarps

 

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



 


Find by SCIENTIFIC NAME: