It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules
2.
The sub - tropical winter weather has no apparent inhibition for the growth and development of the ovulate strobilus in pinus massoniana
3.
Result is as follows : in the middle of october , the primordium of ovulate strobilus occurred , its occurrence time varied between different - aged ramets and different occurrence part