Differentiation of leaf primordium的用法和样例：
- Early leaf development is artificially divided into three main stages: the initiation of leaf primordium, the establishment of leaf adaxial-abaxial polarity, and the expansion of leaf blade.
- Leaf had no differentiation of palisade and spongy.
- The latent buds were in vegetative stage and characterized by two obvious tunica layers, slowgrowing rib meristem and many pairs of leaf primordia.
- ChS can promote the differentiation of HL60 cell.
- He was found asleep on a pillow of leaves and moss.