The megagametophyte within the ovule of a flowering plant.
囊 Embryo sac 有花植物的配子体。
The megagametophyte within the ovule of a flowering plant.
囊 Embryo sac 有花植物的配子体。
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一系列变化,发育成配子体。
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