Chaenomeles speciosa
 Chaenomeles speciosa (commonly known as flowering quince or Japanese quince or as zhou pi mugua in traditional Chinese medicine) is a thorny deciduous or semi-evergreen shrub native to eastern Asia. It is taller than another commonly cultivated species C. japonica usually growing to about 2 m (6 ft 7 in). The flowers are usually red but may be white or pink and the fruit is a fragrant but hard pome that resembles a quince.