Delphinium trolliifolium
Ranunculaceae
Cow Poison
Erect. Stems hollow, easily broken from root. Leaves with petioles to 10 in., shiny, hairless, divided into many wide-tipped lobes with irregular sharp teeth. Flower spike narrow. Flowers dark blue, with white upper petals in center, spur straight, may have yellow hairs on stalk. Flower is 4 times as long as it is wide and curved back. Grows in moist shady places in oak woods or chaparral at low to mid elevations. Delphinine, a poison in this species and many members of this family, can cause death.
- Rarity: Locally Common
- Flowering Time: Late Spring, Early Summer
- Flower Form: 5 petals, spured (delphiniums)
- Life Cycle: Perennial
- Height: 2–6 feet
- Habitat: Meadow, Woods
- Found In: Cascades, West Gorge
- Native: Yes
- Also Known As: Poison Delphinium
