Native Plants

Plant Database

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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 , Purple
Bloom Time: Aug , Sep
Bloom Notes: Usually pinkish, sometimes white or lavender.

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.

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: 2023-01-06
Research By: TWC Staff

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