Physocarpus opulifolius Rosaceae
Common Ninebark, Eastern Ninebark fi-so-KAR-pus op-u-li-FO-li-us
- Deciduous shrub, to 5-10 ft (1.5-3 m) tall, similar spread, branches with brown bark, exfoliating in long irregular strips. Leaves alternate, simple, oval-rounded, 7.5 × 7.5 cm, usually 3-lobed, base usually cordate, medium green above, paler and glabrous, or nearly so, below; petioles 0.6-2 cm long. Flowers small, 1 cm wide, 5 white or pinkish petals, about 30 purplish stamens, in hemispherical clusters (corymbs) 2.5-5 cm wide, bloom in early summer. Fruit 3-5 inflated follicles, reddish, about 6 mm long.
- Sun to part shade, considered tough, acid or alkaline soil, withstands dry situations.
- Hardy to USDA Zone 2 Native to eastern North America, from Quebec to Minnesota, south to Arkansas and Virginia.
- opulifolius: opulus-leaved (similar to Viburnum opulus).