discolorous
/dɪˈskʌl(ə)rəs/adjective
1 Botany and Zoology. Of a different or contrasting colour from an adjacent or surrounding part.
2 Botany. Of different colours; having parts of different colours, particoloured; especially (of a leaf) having the upper and lower surfaces of different colours.
Origin
Mid 19th century; earliest use found in James Francis Stephens (1792–1852), entomologist. From either classical Latin discolor or discolōrus + -ous.