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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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Rudbeckia scabrifolia (Roughleaf coneflower)
Leander, Bruce

Rudbeckia scabrifolia

Rudbeckia scabrifolia L.E. Brown

Roughleaf Coneflower, Sabine Coneflower, Bog Brown-eyed Susan

Asteraceae (Aster Family)


USDA Symbol: RUSC4

USDA Native Status: L48 (N)

Rudbeckia scabrifolia most closely resembles R. maxima.


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Shape: Elliptic , Lanceolate
Leaf Margin: Dentate , Entire
Leaf Apex: Acute
Leaf Base: Cuneate , Rounded
Size Notes: Up to about 6 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: Red , Yellow , Green
Bloom Time: May , Jun , Jul , Aug , Sep , Oct , Nov



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


Record Modified: 2023-01-13
Research By: DEW

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