It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules.
It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules.
从雌球果原基发生到胚珠分化历时4个多月。
It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules.
从雌球果原基发生到胚珠分化历时4个多月。