Native Plants

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.

Enter a Plant Name:
Or you can choose a plant family:

Smith, R.W.

Prenanthes racemosa

Prenanthes racemosa Michx.

Purple Rattlesnakeroot, Glaucous White Lettuce, Smooth White Lettuce

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: PRRA

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

Smooth White Lettuce (Prenanthes racemosa) has pinkish flowers in a spike, clasping elongated leaves, and yellow bristles.

From the Image Gallery

6 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 5-1/2 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Pink , Violet
Bloom Time: Aug , Sep

Distribution

USA: CO , IA , IL , IN , KY , ME , MI , MN , MO , MT , ND , NE , NJ , NY , OH , PA , SD , WI , WY
Canada: AB , BC , MB , NB , NL , NS , ON , QC , SK

Find Seed or Plants

View propagation protocol from Native Plants Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FACW		FACU		FACW	FACU		FACW	FACW	FAC

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.

Bibliography

Bibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally

Search More Titles in Bibliography

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 0000-00-00
Research By: TWC Staff

Go back