The latent buds were in vegetative stage and characterized by two obvious tunica layers, slowgrowing rib meristem and many pairs of leaf primordia.

• 枝梢上芽萌枝（花）的能力，以各梢次芽鳞痕留下的潜伏芽及项芽的比例较高，而带叶片的腋芽萌枝（花）的比例较低。