Physocarpus capitatus
Rosaceae
Pacific Ninebark
Deciduous shrub with thin brown bark shredding into many layers on older wood. Leaves 1–2 in. long, with petioles to 3/4 in., 3- to 5-lobed and toothed, shiny green above. Inflorescence is a round snowball-like cluster. Flowers more or less 1/2 in. across, with 5 white rounded petals, many stamens, hairs divided like a star on the calyx. Grows in moist places such as streambanks, north-facing slopes, edges of forests, at low to mid-elevations.
- Rarity: Locally Common
- Flowering Time: Late Spring, Early Summer
- Flower Form: 5 Petals-Many Stamens
- Life Cycle: Perennial
- Height: 6–12 feet
- Habitat: Coastal, Moist Riverbanks, West-side Forest
- Found In: Mt. Rainier NP, N Cascades NP, Olympic NP, Siskiyous, West Gorge
- Native: Yes
