Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.
摘要樟子松大孢子母细胞经一系列
，
育成
配子
。
Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.
摘要樟子松大孢子母细胞经一系列，育成配子。
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