Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Apiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hydrocotyle ranunculoides
FAMILY
Araliaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Swamp Water-pennywort at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hydrocotyle ranunculoides
FAMILY
Apiaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-01-004:
Hydrocotyle ranunculoides FAMILY Apiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrocotyle ranunculoides
COMMON NAME:
Swamp Water-pennywort, Floating Marsh-pennywort
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hyra_001_lvd
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_hyra_004_lvd
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hydrocotyle ranunculoides
FAMILY
Araliaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hydrocotyle ranunculoides
FAMILY
Apiaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 140-01-004:
Hydrocotyle ranunculoides
FAMILY
Apiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrocotyle ranunculoides
3292
Forb
Perennial
Habitat: Stagnant to (less commonly) swiftly flowing waters of swamps pools, backwaters, blackwater streams, sometimes forming floating mats, per Weakley's Flora
Native to the Carolinas & Georgia
Common (rare in Piedmont)
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 (not peltate)
Petioles 5-25cm long
FLOWER:
Spring/Summer
White/ Greenish
Radially symmetrical
5-merous
5 petals
Inferior ovary
Flowers in simple umbels
FRUIT:
Schizocarp of mericarps
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p120
- Wildflowers of Tennessee (Carman, 2005) p178
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p215
- Wildflowers of the Southern Mountains (Smith, 1998) p112
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