nucellus |
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| navigate by keyword : orthotropous structure ovule plant female gametophyte embryo sac white botany vector seed scientific polar nuclei design study funicle micropyle chalaza graphic green educational diagram isolated botanical flora anatomy nucellus fertilization parts antipodals integument megagametophyte phytomorphology biology ovary cell egg background angiosperm |
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| An illustration of an orthotropous ovule, showing its straight alignment with labeled parts like nucellus, integuments, chalaza, micropyle, and funiculus |
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