Physocarpus capitatus

Physocarpus capitatus seeds with a mm ruler on top. 

Physocarpus capitatus mature (brown) and immature (yellow) fruits. 

Physocarpus capitatus seedlings. 

Physocarpus capitatus seedlings growing at the Rae Selling Berry Seed Bank in Portland, Oregon.

Physocarpus capitatus growing in a 4-inch container at the Berry Seed Bank research nursery located in Portland, Oregon. 

Physocarpus capitatus growing in 1-gallon containers at a native plant nursery near Seattle, WA. 

Physocarpus capitatus leaf bud. 

Physocarpus capitatus shrub.