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Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Oxypolis filiformis (Water cowbane)
Loughmiller, Campbell and Lynn

Oxypolis filiformis

Oxypolis filiformis (Walter) Britton

Water Cowbane

Apiaceae (Carrot Family)

Synonym(s): Tiedemannia filiformis


USDA Native Status: L48 (N)


From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Fruit Type: Schizocarp
Size Notes: Up to about 5 feet tall.

Bloom Information

Bloom Color: White
Bloom Time: Jul , Aug , Sep


USA: AL , FL , GA , LA , MS , NC , SC , TX , VA

Value to Beneficial Insects

Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Crosby Arboretum - Picayune, MS

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Webref 77 - Wildflower Search - Wildflower Identification Website (2020)

Research Literature

Reslit 2640 - Nomenclature, distribution, chromosome numbers, and fruit morphology of Oxypolis canbyi and O. filiformis (Apiaceae) (1983) A. O. Tucker, N. H. Dill, T. D. Pizzolato, R. D. K...
Reslit 2641 - Note on the occurrence of Oxypolis filiformis in the Bahamas (1929) L. J. K. Brace

This information was provided by the Florida WIldflower Foundation.
Search More Titles in Research Literature

Additional resources

USDA: Find Oxypolis filiformis in USDA Plants
FNA: Find Oxypolis filiformis in the Flora of North America (if available)
Google: Search Google for Oxypolis filiformis


Record Modified: 2022-11-16
Research By: TWC Staff

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