| Noun | 1. | genus Camellia - tropical Asiatic evergreen shrubs or small trees dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs camelia, camellia - any of several shrubs or small evergreen trees having solitary white or pink or reddish flowers Camellia sinensis, tea - a tropical evergreen shrub or small tree extensively cultivated in e.g. China and Japan and India; source of tea leaves; "tea has fragrant white flowers" |