The Genus Kolkwitzia is a small group of flowering shrubs native to China, which includes only one species, Kolkwitzia amabilis. The plant is also known by other common names such as beauty bush, Chinese beauty bush, or double pink. The shrub is prized for its fragrant, bell-shaped, pink flowers that bloom in the spring and early summer. While there are no synonyms for the Genus Kolkwitzia, there are some similar plants such as Weigela, which also has pink or purple flowers and is related to the beauty bush. Another similar plant is the hydrangea, which has large, showy flowers and is popular for its shade tolerance.