For hybrid forms of the plant used to make tea for drinking, see Camellia sinensis. Rosa Peace. Hybrid tea is an informal horticultural classification for a group of garden roses. They were created by cross-breeding two types of roses, initially by hybridising Hybrid Perpetuals with Tea roses.It is the oldest group classified as a modern garden rose.ach flower can grow to 8-12.5 cm wide. Hybrid teas are the world's most popular type of rose by choice due to their color and flower form. Their flowers are usually borne singly at the end of long stems which makes them popular as cut flowers.
Variation. Definition. noun, plural: variations. (1) A difference or deviation (e.g. in structure, form, function) from the recognized norm or standard. (2) A modification in structure, form or function in an organism, deviating from other organisms of the same species or group.
A measure of variation; the difference between the lowest and the highest scores in a distribution. standard deviation A measure of variation; the average difference between the scores in the distribution and the mean or central point of the distribution, or more precisely, the square root of the average squared deviation from the mean.