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Rudbeckia hirta var. angustifolia (Black-eyed susan)
Bransford, W.D. and Dolphia

Rudbeckia hirta var. angustifolia

Rudbeckia hirta L. var. angustifolia (T.V. Moore) Perdue

Black-eyed Susan, Blackeyed Susan, Brown-eyed Susan

Asteraceae (Aster Family)

Synonym(s): Rudbeckia divergens, Rudbeckia floridana var. angustifolia


USDA Native Status: L48 (N)


From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual , Perennial , Biennial
Habit: Herb
Size Notes: Up to about 3 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 , Orange , Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug
Bloom Notes: Uniformly yellow to yellow-orange or with a basal maroon splotch.


USA: AL , FL , GA , LA , MS , SC , TX

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Stengl Biological Research Station - Smithville, TX

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 hirta var. angustifolia in USDA Plants
FNA: Find Rudbeckia hirta var. angustifolia in the Flora of North America (if available)
Google: Search Google for Rudbeckia hirta var. angustifolia


Record Modified: 2022-11-03
Research By: TWC Staff

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