Sphenosciadium capitellatum
Apiaceae
Rangers Button
Erect. Stem branched, bearing large leaves. Petioles 4–15 in. long, forming sheaths noticeably enlarged around stems. Leaf blade oblong, 4–15 in., divided 3–4 times; leaflets lance-shaped, 1/2–5 in. long, irregularly lobed or toothed. Flower stalks 3–16 in. long, holding round tight clusters of small white or purplish flowers with narrow-tipped petals. Grows in wet soils near lakes, streams, or meadows, at mid-elevations. Toxic to animals, rarely eaten.
- Rarity: Locally Common
- Flowering Time: Early Summer, Mid Summer, Late Summer
- Flower Form: 5 tiny petals; fls. in umbel (parsley famly)
- Life Cycle: Perennial
- Height: 2–5 feet
- Habitat: Bog/Fen/Wetland, East-side Forest, Lake/Pond, Meadow
- Found In: Steens, Wallowas
- Native: Yes
- Also Known As: Swamp White Heads, Woolly-Headed Parsnip
