Native Plants

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Brundage, Stephanie

Silphium pinnatifidum

Silphium pinnatifidum Elliott

Tansy Rosinweed, Prairie-dock

Asteraceae (Aster Family)

Synonym(s): Silphium chickamaugense, Silphium terebinthinaceum var. pinnatifidum

USDA Symbol: SIPI2

USDA Native Status: L48 (N)

From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 8 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: Yellow
Bloom Time: Jul , Aug , Sep

Distribution

USA: AL , GA , IL , IN , KY , TN , WI

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

Record Modified: 2022-01-06
Research By: CBR

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