Hydrocotyle ranunculoides Linnaeus f.. Common name: Swamp Water-pennywort. Phenology: Apr-Jul. Habitat: Stagnant to (less commonly) swiftly flowing waters of swamps pools, backwaters, blackwater streams, sometimes forming floating mats. Distribution: NY, IL, MO, and KS south to s. FL and se. TX; BC south to CA, AZ, Mexico, Central America, and South America.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, C, Can, Chap, F, Fl7, FNA13, G, GrPl, GW2, Il, K4, MC, Meso4.1, Mex, Mo2, NcTx, NY, Ok, Pa, RAB, S, S13, Tat, Tn, Tx, Va, W, WH3, WV. Basionym: Hydrocotyle ranunculoides L.f. 1781 [1782]
Links to other floras: = Hydrocotyle ranunculoides - FNA13
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 5
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© Herbert L. Amyx | Original Image ⭷
© John Gwaltney | Original Image ⭷
© Joey Shaw source | Original Image ⭷Feedback
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Horticultural Information
Intro: Creeping, fleshy, aquatic to semi-aquatic perennial growing in stagnant to, less commonly, swiftly flowing waters of swamps pools, back waters and blackwater streams.
Stems: Stems thick, fleshy, floating or creeping, rooting at the nodes, pale green and smooth.
Leaves: Leaves alternate, petiolate, round to kidney-shaped, to 3 in. wide, palmately lobed, scallop-edged, lustrous green and smooth.
Inforescence:
Flowers: Flowers in stalked, round-topped umbels (4-10 flowers, about 1/2 in. wide) arising from leaf axils; greenish-white or greenish-yellow; minute with 5 spreading petals, 5 stamens and a divided style.
Fruits: Fruit a tiny achene with 5 blunt ridges.
Comments:
Height: 4-12 in.
plant sale text:
bloom table text:
description: Creeping, fleshy, aquatic to semi-aquatic perennial growing in stagnant to, less commonly, swiftly flowing waters of swamps pools, back waters and blackwater streams.
stems: Stems thick, fleshy, floating or creeping, rooting at the nodes, pale green and smooth.
leaves: Leaves alternate, petiolate, round to kidney-shaped, to 3 in. wide, palmately lobed, scallop-edged, lustrous green and smooth.
inflorescence:
flowers: Flowers in stalked, round-topped umbels (4-10 flowers, about 1/2 in. wide) arising from leaf axils; greenish-white or greenish-yellow; minute with 5 spreading petals, 5 stamens and a divided style.
fruits: Fruit a tiny achene with 5 blunt ridges.
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