A prominent glade perennial usually with several stems. Flowerheads few, with large heads, about 2 inches across, the ray florets typically broad, uniformly yellow, the ends sharply, jaggedly toothed. Blooms April–June. Leaves narrow, undivided, mostly at lower half of the stems. Fruits seeds that somewhat resemble ticks; the name “coreopsis” is derived from Greek and means “resembling a bug.”
Similar species: There are 6 species of Coreopsis recorded for Missouri. We also have 11 species in the genus Bidens (beggar’s ticks), which can be confused with Coreopsis species.