Ranunculus orthorhynchus
Ranunculaceae
Swamp Buttercup
Erect to prostrate, softly hairy to shiny. Stems to 40 in. long. Basal and lower stem leaves with petioles 2–8 in. long, divided into 3–5 coarsely toothed segments; upper leaves smaller, divided into 3 narrow lobes. Flowers yellow; petals 5–8, about half as wide as long. Seeds clustered in ball have prominent straight beaks pointing straight out. Grows in wet open areas, along streams, beaches and tidal marshes, woodlands, forests, from sea level to high elevations. Ortho is Greek for "straight and rhynchus beak," in reference to the seeds.
- Rarity: Common
- Flowering Time: Early Spring, Mid Spring
- Flower Form: 5-16 petals, many stamens (Ranunculus)
- Life Cycle: Perennial
- Height: 6–24 inches
- Habitat: Bog/Fen/Wetland, Coastal, Meadow, Moist Riverbanks
- Found In: Columbia Basin, N Cascades NP, Olympic NP, Siskiyous, Steens, Wallowas
- Native: Yes
- Also Known As: Straight-Beaked Buttercup
