|Scientific Name||Rudbeckia hirta||USDA PLANTS Symbol||RUHI2|
|Common Name||Brown-eyed Susan, Black-eyed Susan||ITIS Taxonomic Serial No.||36765|
|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
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023