FNPS Plant Database

Tiedemannia filiformis subsp. filiformis

water cowbane

PHOTOS COMING SOON!

Nomenclature

Common Name:

water cowbane

Synonym(s):

Oxipolis filiformis

Genus species:

Tiedemannia filiformis subsp. filiformis

Family:

APIACEAE

Plant Specifics

Form:

flower

Size:

To 4 ft.

Life Span:

Long-lived perennial

Flower Color:

white

Fruit Color:

Phenology:

Blooms late summer and fall.

Noted For:

Landscaping

Recommended Uses:

Bog gardens, rain gardens, restoration areas.

Considerations:

All parts of this plant are poisonous if ingested.  Bruised leaves may produce a rash on bare skin

Availability:

Propagation:

Seed.

Light:

Moisture Tolerance:

Always Flooded------------------------------------------------Extremely Dry

Coming Soon!

Stays wet ---to--- Usually moist, occasional inundation

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Unknown

Soil or Other Substrate:

Soil pH:

slightly acidic

Suitable to Grow In:

USDA zones are based on the average annual extreme minimum winter temperature.



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Ecology

Wildlife:

Pollinators, Caterpillars

Host plant for black swallowtail.





Attracts generalist pollinators.

Native Habitats:

Marshes, wet flatwoods, wet prairies, seepage slopes, edges of cypress wetlands, ditches

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

The range of this species is primarily the coastal plain from Texas to North Carolina.



A second subspecies (subsp. greenmanii) occurs in the Florida Panhandle where it is endemic and state Endangered 

Citations:

BONAP.  2013. North America Plant Atlas. http://bonap.net/Napa/TaxonMaps/Genus/County/Tiedemannia.



Huegel, Craig.  2020.  Water Dropwort - Tiedemannia filiformis.   http://hawthornhillwildflowers.blogspot.com/2020/06/water-dropwort-tiedemannia-filiformis.html.



Huegel, Craig, N.  2012.  Native wildflowers and other ground covers for Florida landscapes. University Press of Florida, Gainesville, FL.



Minno, Marc and Maria Minno.  1999. Florida Butterfly Gardening.  University Press of Florida. 



Minno, Marc. Jerry Butler, Donald Hall. 2005.   Florida Butterfly Caterpillars and Their Host Plants. University Press of Florida, p. 244.



Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. 2021.  Atlas of Florida Plants  ( http://florida.plantatlas.usf.edu/ ). Institute for Systematic Botany, University of South Florida, Tampa.  https://florida.plantatlas.usf.edu/Plant.aspx?id=3233  and  https://florida.plantatlas.usf.edu/Plant.aspx?id=1152.

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