The oil cells in Liriodendron chinense differentiated earlier than the neighboring cells.Very young leaf and stem show fully developed secretory oil cells among poorly differentiated cells.

• 鹅掌楸油细胞比相邻组织细胞分化早，因而在叶肉细胞未完全分化的叶原基、幼叶以及未完全分化的幼茎中，都可看到已分化的油细胞。