ovule造句
31) The vascular bundle of ovule of Phytolacca is evidently from the vascular tissue of receptacle.
32) Development of megaspore and formation of embryo sac:The ovule has a layer of parietal cells at the sporogenous stage.
33) Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta in angiosperm ovaries.
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