Texas
Wildbuds

Rudbeckia hirta

(Brown-eyed Susan)

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Rudbeckia hirta, Wildflower Center, Austin, Travis Co. 4080

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Rudbeckia hirta, Bastrop State Park, Bastrop Co. 3371

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Rudbeckia hirta, Wildflower Center, Austin, Travis Co. 4374

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Rudbeckia hirta, Wildflower Center, Austin, Travis Co. 4076

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Rudbeckia hirta, Lake Somerville State Park, Lee Co. 2802

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Rudbeckia hirta, Lake Somerville State Park, Lee Co. 2800

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Rudbeckia hirta, Lake Somerville State Park, Lee Co. 2792

Scientific Name Rudbeckia hirta USDA PLANTS Symbol RUHI2
Common Name Brown-eyed Susan, Black-eyed Susan ITIS Taxonomic Serial No. 36765
Family Asteraceae (Sunflower) SEINet
Reference
Click Here
Description Habitat: Various, usually sandy soils of fields, pastures, open areas.
Plant: Erect annual or short-lived perennial, 12 to 40 inches tall, often in showy colonies.
Leaves: Basal and stem (alternate), ovate to oblanceolate (not lobed), 4 to 7 inches long covered with coarse hairs.
Inflorescence: Large composite flowers 2-1/2 inches across with 8 to 16 yellow rays around often-flattened dome-shaped dark brown or black disk. Ray flowers may have darker spots near bases.
Bloom Period: April to August or later.
References: "Wildflowers of Texas" by Geyata Ajilvsgi and "Wildflowers of the Texas Hill Country" by Marshall Enquist.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024