This paper dealt with the stage developmental heterogeneity of tea(Varieties of Xishui dashu and Fuding dabai)in termes of anatomy.Themorphological characteristics and specificities were also observed.Resultsproved the existence of heterogeneity in tea stem.Obvious differenceswere found in anatomical structures among different positions of the stem.The apical meristem,elongation zone and maturation zone of the bud andstem were highly doveloped and typically young in the low position shootsthan in the high ones.Some problems in stem stag...