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Plant Database

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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Ptilimnium capillaceum (Herbwilliam)
Cressler, Alan

Ptilimnium capillaceum

Ptilimnium capillaceum (Michx.) Raf.

Herbwilliam

Apiaceae (Carrot Family)

Synonym(s):

USDA Symbol: PTCA

USDA Native Status: L48 (N), PR (N)

 

From the Image Gallery

11 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Schizocarp
Size Notes: Up to about 30 inches tall.

Bloom Information

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

Distribution

USA: AL , AR , CT , DC , DE , FL , GA , KS , KY , LA , MA , MD , MO , MS , NC , NJ , NY , OK , PA , RI , SC , SD , TN , TX , VA

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL FACW OBL FACW OBL OBL
This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. 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 57 - Atlas of Florida Plants (2020) Institute for Systematic Botany
Webref 178 - Flora of the Southeastern United States (2025) North Carolina Botanical Garden; Chapel Hill, NC.
Webref 81 - Natives For Your Neighborhood (2020) The Institute for Regional Conservation
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2026-06-25
Research By: TWC Staff

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