Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.
摘要樟
松大孢母细胞经一系列变
，
成
配
。
Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes.
摘要樟松大孢母细胞经一系列变，成配。
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