Kerria (Japanese Kerria; Japanese Rose)
Kerria is a genus of one species – Kerria japonica, in the family Rosaceae, found in the East Asia.
Kerria japonica is a spring-flowering deciduous shrub that produces 5-petaled, bright yellow flowers and sharply toothed leaves. Although the primary bloom period is spring, it still blooms sporadically throughout the summer, creating a colorful show.