Barbarea orthoceras
Brassicaceae
American Winter Cress
Stem erect, stiff, branched. Basal leaves pinnately divided, usually into 5(–7) lobes, the end lobe egg-shaped, toothed or entire; stem leaves become less lobed, smaller upward, often clasping. Flowers small in clusters at top of expanding stem, with 4 yellow petals. Seedpods, ascending, consist of 1–2 in. thin cylinders on short stalks. Grows in wet meadows, rocks, along waterways; found on beaches to 10,000 ft.
- Rarity: Common
- Flowering Time: Mid Spring, Late Spring
- Flower Form: Petals 4
- Life Cycle: Biennial, Perennial
- Height: 1–2 feet
- Habitat: Meadow, Vernal Wet
- Found In: Mt. Rainier NP, N Cascades NP, Olympic NP, Siskiyous, Steens, West Gorge
- Native: Yes