Pyracantha koidzumi (Formosa Firethorn)

Pyracantha koidzumi, commonly known as Formosa Firethorn, is a thorny evergreen shrub that is native to Japan. It is known for its dense growth and abundant clusters of small white flowers in the spring, followed by bright red berries in the fall and winter. The plant has an upright and spreading growth habit and its branches are covered in sharp thorns. It is often used as a security hedge due to its thorny nature.