Coreopsis tinctoria
Asteraceae
Columbia Coreopsis
Single erect stem multibranched in upper half. Leaves 1–5 in. long, opposite, with petioles about 1 in. long. Lower leaves divided into narrow linear lobes; upper leaves linear, not divided. Flower heads numerous in open clusters; usually 8 yellow ray flowers, wedge-shaped on tip end. Disk flowers purple-brown. Grows at low elevations in disturbed soils and along rivers, as inferred by the common name.
- Rarity: Locally Common
- Flowering Time: Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer
- Flower Form: 5 United Petals, Ovary Inferior; Sunflowers
- Life Cycle: Annual, Biennial, Perennial
- Height: 8–40 inches
- Habitat: Bog/Fen/Wetland, Disturbed, Meadow, Moist Riverbanks
- Found In: Near Urban Areas
- Native: Yes
- Latin Synonyms: Coreopsis atkinsoniana, Coreopsis tinctoria var. atkinsoniana
