For the unrelated evergreen flowering plant, see ti plant. Camellia sinensis is a species of evergreen shrub or small tree whose leaves and leaf buds are used to produce tea. It is of the genus Camellia (Chinese: è¶è±; pinyin: ChahuÄ, chÃ¡huÄ: literally tea) flower of flowering plants in the Family. theaceaeamellia Sinensis is an evergreen shrub or small tree that is usually trimmed to below 2 m (6.6 ft) when cultivated for its leaves. It has a strong taproot. The flowers are yellow-white, 2.5â4 cm (0.98â1.57 in) in diameter, with 7 to 8 petals.
Definition of psychology. plural. psychologies. 1 : the science of mind and behavior. 2a : the mental or behavioral characteristics of an individual or groupb : the study of mind and behavior in relation to a particular field of knowledge or activity. 3 : a theory or system of psychology Freudian psychology the psychology of Jung.
Psychologists study such phenomena as perception, cognition, emotion, personality, behavior, and interpersonal relationships. Psychology also refers to the application of such knowledge to various spheres of human activity, including issues related to daily lifeâe.g. family, education, and workâand the treatment of mental health problems. Psychology is one of the behavioral sciences â a broad field that spans the social and natural sciences. Psychology attempts to understand the role human behavior plays in social dynamics while incorporating physiological and neurological processes into its conceptions of mental functioning.