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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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Orbexilum pedunculatum (Sampson's snakeroot)
Schwartzman, Steven

Orbexilum pedunculatum

Orbexilum pedunculatum (Mill.) Rydb.

Sampson's Snakeroot

Fabaceae (Pea Family)


USDA Symbol: orpe

USDA Native Status: L48 (N)


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

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


USA: AL , AR , FL , GA , IL , IN , KS , KY , LA , MD , MI , MO , MS , NC , OH , OK , SC , TN , TX , VA
Native Habitat: Sandy wooded areas, east and southeast Texas. Well-drained soils.

Growing Conditions

Light Requirement: Part Shade


Interesting Foliage: yes


Commercially Avail: yes

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:

Texas Discovery Gardens - Dallas, TX

Additional resources

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


Record Modified: 2018-01-08
Research By: TWC Staff

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