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Hydrocotyle americana Linnaeus. Common name: American Water-pennywort. Phenology: Jun-Sep. Habitat: Bogs, marshes, seepages, cliffs and ledges where wet by seepage or spray from waterfalls, sometimes roadside ditches. Distribution: Widespread in ne. North America, south to w. NC, SC, e. and c. TN, and IN, and n. AR.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, Can, Chap, F, FNA13, G, GW2, K4, MC, Mi, NE, NY, Pa, RAB, S, S13, Tat, Tn, Va, W, WV. Basionym: Hydrocotyle americana L. 1753

Links to other floras: = Hydrocotyle americana - FNA13

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 4

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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Creeping to weakly erect, often colonial perennial found in bogs, marshes, seepages and cliffs and ledges that are wet from seepage or waterfall spray; sometimes in roadside ditches.

Stems: Stems slender, branched, smooth.

Leaves: Leaves alternate, long-petiolate, round to kidney-shaped, ¼-2¼ in. wide, notched at base, blunt-toothed, shiny and smooth.

Inforescence:

Flowers: Flowers in small (2-7 flowers), sessile clusters along the stem at the bases of petioles; white to greenish-white; less than 1/4 in. wide, consisting of 5 minute petals and 5 stamens.

Fruits: Fruit a flattened, ribbed, greenish-brown berry.

Comments:

Height: 2-5 in.

plant sale text:

bloom table text:

description: Creeping to weakly erect, often colonial perennial found in bogs, marshes, seepages and cliffs and ledges that are wet from seepage or waterfall spray; sometimes in roadside ditches.

stems: Stems slender, branched, smooth.

leaves: Leaves alternate, long-petiolate, round to kidney-shaped, ¼-2¼ in. wide, notched at base, blunt-toothed, shiny and smooth.

inflorescence:

flowers: Flowers in small (2-7 flowers), sessile clusters along the stem at the bases of petioles; white to greenish-white; less than 1/4 in. wide, consisting of 5 minute petals and 5 stamens.

fruits: Fruit a flattened, ribbed, greenish-brown berry.

comments:

cultural notes:

germination code:

native range:



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