Sometimes a seed will start developing and germinate while they are still inside their parent, the fruit.
This condition is known as vivipary, and it gives the affected fruit a creepy and alien look.
The seedstarts germinatingbefore it has matured and has left the parent body.
Fruits contain a hormone that prevents seeds from germinating.
But sometimes that hormone runs out, and the seed starts germinating.
You might have seen it in your tomatoes that are sitting around on the counter for far too long.
Vivipary often appears like worm infestation, which is bad if you want to sell your fruits.
Otherwise it is perfectly harmless and doesnt really affect the quality of the fruit.
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Vivipary in Nypa fruticans or mangrove palm.
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Vivipary in tomato.
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Vivipary in guava.
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Vivipary in an apple.
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Vivipary in butternut squash.
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Vivipary in mango.