Ratibida peduncularis var. peduncularis
Leaves 2-pinnatifid, 2–12 × 1–5 cm, lobes 4–10 (linear-lanceolate to ovate-obovate, mostly 1–10 mm wide). Ray corollas mostly yellow to purplish yellow. Cypselae pectinate-fimbriate (both margins). 2n = 28.
Phenology: Flowering Mar–Nov.
Habitat: Sandy sites
Elevation: 0–300 m
La., Tex., Mexico (Tamaulipas)
Variety peduncularis has been reported to hybridize with Ratibida columnifera (S. W. Jackson 1963).