In the early December, the first bract primordium was formed in the axil scale at the cone base, then bract initiation had occurred in acropetal direction.
In the early December, the first bract primordium was formed in the axil scale at the cone base, then bract initiation had occurred in acropetal direction.
12月初,最初的苞片原基在雌球果原基的鳞片的叶腋处产生,之后其由基部向顶部连续发生。