Camellia japonica 'Tricolor Florentine' has white, marked red, semi-double flowers with green foliage.  Camellia japonica 'Tricolor Florentine' is great as a specimen or can be used in mass plantings in shade to part shade.  

• HARDINESS:  zones (7?)8-9
• EXPOSURE:  shade, part shade, sun (might burn foliage)
• SIZE:  6-8'+
• FLOWER:  white, marked red
• FORM: semi-double
• SHIPPING SIZE:  1/2 gallon pot, 8-10" plant.  See last photo for example.