Ludwigia alternifolia

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Common name: seedbox [1], alternate-leaf seedbox [2]

Ludwigia alternifolia
Ludwigia alternifolia IWF.jpg
Photo by the Illinois Wildflowers Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Myrtales
Family: Onagraceae
Genus: Ludwigia
Species: L. alternifolia
Binomial name
Ludwigia alternifolia
Natural range of Ludwigia alternifolia from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: Ludwigia alternifolia L. var. linearifolia Britton; L. alternifolia var. pubescens E.J. Palmer & Steyermark;

Varieties: none


L. alternifolia is a perennial forb/herb of the Onagraceae family native to North America and Canada. [1]


L. alternifolia is found in the eastern corner of the United States from Colorado to Vermont, as well as the Quebec and Ontario regions of Canada. [1]



L. alternifolia is found in freshwater tidal marshes, ditches, other marshes, open wet places, and disturbed wet places. [2] Specimens have been collected from wooded floodplain, mesic woodlands, moist loamy sands, depression of wiregrass longleaf woodland, open grassy meadow, edge of stream swamp, mesic cypress dome verge, exposed lake bed and other disturbed drainage areas such as ditches on roadside. [3]


L. alternifolia has been observed flowering June through October. [4]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 USDA Plant Database
  2. 2.0 2.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, kathy Craddock Burks, Gary Knight, R.K. Godfrey, Neal Morar, R. Kral, T. MacClendon, karen MacClendon, R.F. Doren, R. Komarek, J.M. Kane, John Nelson, Leah Garris, Frank Lee, Keith Bradley. States and counties: Florida (Franklin, Bay, Leon, Okaloosa, Gulf, washington, Gadsden, Liberty, Santa Rosa, Jackson, Walton, Calhoun, Holmes) South Carolina (Kershaw, Richland) Georgia (Thomas) Texas (Orange)
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 24 MAY 2018