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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Marsh Eryngo at Vascular Plants of North Carolina.
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.
)
USDA Forest Service / A Guide to Medicinal Plants of Appalachia. 1969 mpa_page_115
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_ervi11_001_lvd
)
Keith Bradley kab_image1
June
)
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).
)
Patrick D. McMillan pdmeaquaticum_2
Month Unknown
Middle cusp of the bractlets elongate, distinctly longer than the lateral cusps, per Weakley's Flora (2023).
)
Patrick D. McMillan pdmeaquaticum_216
Month Unknown
)
Patrick D. McMillan pdmeaquaticum_wadboo1
Month Unknown
)
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
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
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.)
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!
- All About South Carolina Wildflowers (Midgley, 1999) p150
- Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001) p328
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p382
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p471
- Newcomb's Wildflower Guide (Newcomb, 1977) p418
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p437
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p104?
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p034
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".